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Finding the Fourth Proportional to 132.16, 197.04 and 124.56

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Solution

The fourth proportional to 132.16, 197.04 and 124.56 is: 185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.16 : 197.04 = 124.56 : x
  2. Step 2: Convert to fraction form
    132.16/197.04 = 124.56/x
  3. Step 3: Cross multiply
    132.16x = 197.04 × 124.56
  4. Step 4: Simplify right side
    132.16x = 24,543.30
  5. Step 5: Solve for x
    x = 24,543.30/132.16
  6. Step 6: Final answer
    x = 185.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.