 | Charles Austin Hobbs - Geometry, Plane - 1899 - 266 pages
...bd They may be read, "the ratio of a to b equals the ratio of c to d," or " a is to b as c is to d." The first and fourth terms of a proportion are called the extremes, and the second and third terms are called the means. The fourth term is said to be a fourth proportional to the other three.... | |
 | International Correspondence Schools - Civil engineering - 1899 - 722 pages
...ratio of the first term to the second term equals the ratio of the third term to the fourth term. 316. 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.... | |
 | Webster Wells - Geometry - 1899 - 450 pages
...equal to the ratio of c to d, may be written in either of the forms a : b = c : d, or - = -- bd 229. The first and fourth terms of a proportion are called the extremes, and the second and third terms the means. The first and third terms are called the antecedents, and the second and fourth terms... | |
 | Frank H. Hall - Arithmetic - 1899 - 456 pages
...the intensity at A? Algebra. 292. To FIND THE MISSING TERM OF A PROPORTION WITHOUT FINDING THE RATIO. The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means; thus, in the proportion 12:6 = 8: 4, 12 and 4 are the extremes and 6 and 8 are the... | |
 | Webster Wells - Geometry - 1899 - 424 pages
...is equal to the ratio of c to d, may be written in either of the forms a:b = c:d. or* = -- bd 229. The first and fourth terms of a proportion are called the extremes, and the second and third terms the means. The first and third terms are called the antecedents, and the second and fourth terms... | |
 | William James Milne - Geometry - 1899 - 404 pages
...a : b = c : d, a and c are the antecedents, and 6 and d are the consequents of the proportion. 265. The first and fourth terms of a proportion are called the Extremes and the second and third terms are called the Means of the proportion. In the proportion a : b = c : d, a and d are the extremes,... | |
 | William James Milne - Geometry, Modern - 1899 - 258 pages
...a : b = c : d, a and c are the antecedents, and 6 and d are the consequents of the proportion. 265. The first and fourth terms of a proportion are called the Extremes and the second and third terms are called the Means of the proportion. In the proportion a : 6 = c : d, a and d are the extremes,... | |
 | Frank Castle - Mathematics - 1899 - 424 pages
...written as 6 : 8 : : 15 : 20, and this should be read as 6 is to 8 as 15 is to 20. The first and last terms of a proportion are called the extremes, and the second and third terms the means ; thus 6 and 20 are the extremes, and 8 and 15 are the means in the above proportion.... | |
 | International Correspondence Schools - Marine engineering - 1900 - 612 pages
...ratio of the first term to the second term equals the ratio of the third term to the fourth term. 306. 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.... | |
 | International Correspondence Schools - Coal mines and mining - 1900 - 720 pages
...ratio of the first term to the second term equals the ratio of the third term to the fourth term. 3 IB. 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.... | |
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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. 
