Finding the Fourth Proportional to 517.99, 714.84 and 296.98
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Solution
The fourth proportional to 517.99, 714.84 and 296.98 is: 409.84
Step by Step Solution
- Step 1: Write the proportion equation
517.99 : 714.84 = 296.98 : x - Step 2: Convert to fraction form
517.99/714.84 = 296.98/x - Step 3: Cross multiply
517.99x = 714.84 × 296.98 - Step 4: Simplify right side
517.99x = 212,293.18 - Step 5: Solve for x
x = 212,293.18/517.99 - Step 6: Final answer
x = 409.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.