Finding the Fourth Proportional to 716.72, 1,075.08 and 332
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Solution
The fourth proportional to 716.72, 1,075.08 and 332 is: 498
Step by Step Solution
- Step 1: Write the proportion equation
716.72 : 1,075.08 = 332 : x - Step 2: Convert to fraction form
716.72/1,075.08 = 332/x - Step 3: Cross multiply
716.72x = 1,075.08 × 332 - Step 4: Simplify right side
716.72x = 356,926.56 - Step 5: Solve for x
x = 356,926.56/716.72 - Step 6: Final answer
x = 498
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.