Finding the Fourth Proportional to 716.53, 1,075.19 and 283.99
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Solution
The fourth proportional to 716.53, 1,075.19 and 283.99 is: 426.14
Step by Step Solution
- Step 1: Write the proportion equation
716.53 : 1,075.19 = 283.99 : x - Step 2: Convert to fraction form
716.53/1,075.19 = 283.99/x - Step 3: Cross multiply
716.53x = 1,075.19 × 283.99 - Step 4: Simplify right side
716.53x = 305,343.21 - Step 5: Solve for x
x = 305,343.21/716.53 - Step 6: Final answer
x = 426.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.