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Finding the Fourth Proportional to 502.48, 754.47 and 410.34

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Solution

The fourth proportional to 502.48, 754.47 and 410.34 is: 616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.48 : 754.47 = 410.34 : x
  2. Step 2: Convert to fraction form
    502.48/754.47 = 410.34/x
  3. Step 3: Cross multiply
    502.48x = 754.47 × 410.34
  4. Step 4: Simplify right side
    502.48x = 309,589.22
  5. Step 5: Solve for x
    x = 309,589.22/502.48
  6. Step 6: Final answer
    x = 616.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.