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Finding the Fourth Proportional to 410.43, 616.10 and 167.12

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Solution

The fourth proportional to 410.43, 616.10 and 167.12 is: 250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.43 : 616.10 = 167.12 : x
  2. Step 2: Convert to fraction form
    410.43/616.10 = 167.12/x
  3. Step 3: Cross multiply
    410.43x = 616.10 × 167.12
  4. Step 4: Simplify right side
    410.43x = 102,958.72
  5. Step 5: Solve for x
    x = 102,958.72/410.43
  6. Step 6: Final answer
    x = 250.86

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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.