Finding the Fourth Proportional to 516, 773.44 and 207.70
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Solution
The fourth proportional to 516, 773.44 and 207.70 is: 311.32
Step by Step Solution
- Step 1: Write the proportion equation
516 : 773.44 = 207.70 : x - Step 2: Convert to fraction form
516/773.44 = 207.70/x - Step 3: Cross multiply
516x = 773.44 × 207.70 - Step 4: Simplify right side
516x = 160,643.49 - Step 5: Solve for x
x = 160,643.49/516 - Step 6: Final answer
x = 311.32
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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.