Finding the Fourth Proportional to 547.56, 824.58 and 476.28
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Solution
The fourth proportional to 547.56, 824.58 and 476.28 is: 717.24
Step by Step Solution
- Step 1: Write the proportion equation
547.56 : 824.58 = 476.28 : x - Step 2: Convert to fraction form
547.56/824.58 = 476.28/x - Step 3: Cross multiply
547.56x = 824.58 × 476.28 - Step 4: Simplify right side
547.56x = 392,730.96 - Step 5: Solve for x
x = 392,730.96/547.56 - Step 6: Final answer
x = 717.24
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.