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Finding the Fourth Proportional to 297.47, 410.49 and 166.49

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Solution

The fourth proportional to 297.47, 410.49 and 166.49 is: 229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.47 : 410.49 = 166.49 : x
  2. Step 2: Convert to fraction form
    297.47/410.49 = 166.49/x
  3. Step 3: Cross multiply
    297.47x = 410.49 × 166.49
  4. Step 4: Simplify right side
    297.47x = 68,342.48
  5. Step 5: Solve for x
    x = 68,342.48/297.47
  6. Step 6: Final answer
    x = 229.75

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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.