 | Charles Austin Hobbs - 1889 - 370 σελίδες
...is to 6 as 10 is to 15 ; 4 : 6 = 10 : 15 is read the ratio of 4 to 6 equals the ratio of 10 to 15. The first and fourth terms of a proportion are called the extremes, and the second and third terms are called the means. Three numbers are said to be in proportion when the ratio of the first to the... | |
 | John Bernard Clarke - 1889 - 566 σελίδες
...mean proportional or mean (Arithmetical, Harmonic, or Geometrical,) between the other two. In general, the first and fourth terms of. a proportion are called the extremes, and the second and third the means, the antecedents and consequents of the ratios preserving their names in the proportion.... | |
 | Charles Austin Hobbs - 1889 - 366 σελίδες
...: 6 = 10 : 15 is read the ratio of 4 to 6 equals the ratio of 10 to 15. The first and fourth tarnis of a proportion are called the extremes, and the second and third terms are called the means. Three numbers are said to be in proportion when the ratio of the first to the... | |
 | Webster Wells - 1890 - 604 σελίδες
...second term the consequent. Thus, in the ratio a : b, a is the antecedent, and b is the consequent. The first and fourth terms of a proportion are called...the second and third terms the means. Thus, in the proportion о : b = с : d, a and d are the extremes, and b and с the means. 379. In a proportion... | |
 | Webster Wells - 1893 - 360 σελίδες
...of 6 to 10 forms a proportion, which may be written in the forms 3:5 = 6:10, f = ^ or3:5::6:10. 265. The first and fourth terms of a proportion are called...the second and third terms the means. Thus, in the proportion 3 : 5 = 6 :10, 3 and 10 are the extremes, and 5 and 6 the means. 266. In a proportion in... | |
 | Ephraim Hunt - 1894 - 118 σελίδες
...form of a proportion, in every possible way, testing the correctness of each form. How many forms? The first and fourth terms of a proportion are called the extremes; the second and third, the means. If we have 5 :10 :: 6 : , how do you find the fourth term? What is... | |
 | John Tilden Prince - 1894 - 254 σελίδες
...the terms are smaller, but the ratio remains unchanged. 86 A proportion is the equality of ratios. The first and fourth terms of a proportion are called the extremes. The second and third terms are called the means. From observation the pupils will discover and state... | |
 | Wm. M. Peck - 1894 - 310 σελίδες
...ratios is expressed, 4 : 8=50 : 100, or 4 : 8 : : 50 : 100 ; and is read, " 4 is to 8 as 50 is to 100." The first and fourth terms of a proportion are called the Extremes. The second and third terms of a proportion are called the Means. b. The product of the means is equal... | |
 | Frank H. Hall - 1896 - 296 σελίδες
...couplets; thus, 2 : 6 = 5 : 15. This may be read, The ratio of 2 to 6 equals the ratio of 5 to 15. The first and fourth terms of a proportion are called...extremes, and the second and third terms the means. In every true proportion, the product of the means equals the product of the extremes. NOTE.— In... | |
 | George D. Pettee - 1896 - 272 σελίδες
...proportion may be written in either of the following forms: a: b = c : d, or a:b::c:d, or - = — bd 184. The first and fourth terms of a proportion are called...extremes, and the second and third terms the means. The first and third terms are called the antecedents, and the second and fourth terms the consequents.... | |
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The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means. 
