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Finding the Fourth Proportional to 96.73, 132.57 and 95.38

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Solution

The fourth proportional to 96.73, 132.57 and 95.38 is: 130.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.73 : 132.57 = 95.38 : x
  2. Step 2: Convert to fraction form
    96.73/132.57 = 95.38/x
  3. Step 3: Cross multiply
    96.73x = 132.57 × 95.38
  4. Step 4: Simplify right side
    96.73x = 12,644.20
  5. Step 5: Solve for x
    x = 12,644.20/96.73
  6. Step 6: Final answer
    x = 130.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.