 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.  Plane and Solid Geometry - Page 134by William James Milne - 1899 - 384 pagesFull view - About this book
 | 1897 - 366 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. 317.... | |
 | Webster Wells - Algebra - 1904 - 384 pages
...to the ratio of с to d, may be written in either of the forms a : b = с : d. or - = -• bd 302. 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 the... | |
 | Ellen Hayes - Algebra - 1897 - 244 pages
...: ' the ratio of a to 6 equals the ratio of c to d ' ; or more briefly : ' a is to b as c is to d.' The first and fourth terms of a proportion are called the extremes ; the second and third terms are called the means. 91. In order to reach various theorems regarding... | |
 | International Correspondence Schools - Surveying - 1898 - 518 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. 317.... | |
 | Frank H. Hall - Arithmetic - 1898 - 332 pages
...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 means.... | |
 | Frank H. Hall - Arithmetic - 1898 - 326 pages
...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 means.... | |
 | Frank H. Hall - Education - 1898 - 296 pages
...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 means.... | |
 | Webster Wells - Geometry - 1898 - 284 pages
...equal to the ratio of c to d, may be written in either of the forms TT ac 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 - 1898 - 298 pages
...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 means.... | |
 | William James Milne - Geometry, Modern - 1899 - 258 pages
...of ratios is called a Proportion. The sign of equality is written between the equal ratios. a : b = c : d is a proportion, and is read : the ratio of...called the Means of the proportion. In the proportion a : 6 = c : d, a and d are the extremes, and 6 and c are the means. 266. A quantity which serves as both... | |
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