Finding the Fourth Proportional to 532.80, 798.96 and 207.99
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Solution
The fourth proportional to 532.80, 798.96 and 207.99 is: 311.89
Step by Step Solution
- Step 1: Write the proportion equation
532.80 : 798.96 = 207.99 : x - Step 2: Convert to fraction form
532.80/798.96 = 207.99/x - Step 3: Cross multiply
532.80x = 798.96 × 207.99 - Step 4: Simplify right side
532.80x = 166,175.69 - Step 5: Solve for x
x = 166,175.69/532.80 - Step 6: Final answer
x = 311.89
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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.