Finding the Fourth Proportional to 576.68, 869.84 and 542.99
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Solution
The fourth proportional to 576.68, 869.84 and 542.99 is: 819.02
Step by Step Solution
- Step 1: Write the proportion equation
576.68 : 869.84 = 542.99 : x - Step 2: Convert to fraction form
576.68/869.84 = 542.99/x - Step 3: Cross multiply
576.68x = 869.84 × 542.99 - Step 4: Simplify right side
576.68x = 472,307.36 - Step 5: Solve for x
x = 472,307.36/576.68 - Step 6: Final answer
x = 819.02
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.