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Finding the Fourth Proportional to 297.52, 410.54 and 166.52

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Solution

The fourth proportional to 297.52, 410.54 and 166.52 is: 229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.52 : 410.54 = 166.52 : x
  2. Step 2: Convert to fraction form
    297.52/410.54 = 166.52/x
  3. Step 3: Cross multiply
    297.52x = 410.54 × 166.52
  4. Step 4: Simplify right side
    297.52x = 68,363.12
  5. Step 5: Solve for x
    x = 68,363.12/297.52
  6. Step 6: Final answer
    x = 229.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.