Finding the Fourth Proportional to 513.68, 708.92 and 292.65
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Solution
The fourth proportional to 513.68, 708.92 and 292.65 is: 403.88
Step by Step Solution
- Step 1: Write the proportion equation
513.68 : 708.92 = 292.65 : x - Step 2: Convert to fraction form
513.68/708.92 = 292.65/x - Step 3: Cross multiply
513.68x = 708.92 × 292.65 - Step 4: Simplify right side
513.68x = 207,463.97 - Step 5: Solve for x
x = 207,463.97/513.68 - Step 6: Final answer
x = 403.88
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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.