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Finding the Fourth Proportional to 167.30, 230.97 and 132.47

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Solution

The fourth proportional to 167.30, 230.97 and 132.47 is: 182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.30 : 230.97 = 132.47 : x
  2. Step 2: Convert to fraction form
    167.30/230.97 = 132.47/x
  3. Step 3: Cross multiply
    167.30x = 230.97 × 132.47
  4. Step 4: Simplify right side
    167.30x = 30,594.78
  5. Step 5: Solve for x
    x = 30,594.78/167.30
  6. Step 6: Final answer
    x = 182.88

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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.