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Finding the Fourth Proportional to 95.30, 132.07 and 93.48

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Solution

The fourth proportional to 95.30, 132.07 and 93.48 is: 129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.30 : 132.07 = 93.48 : x
  2. Step 2: Convert to fraction form
    95.30/132.07 = 93.48/x
  3. Step 3: Cross multiply
    95.30x = 132.07 × 93.48
  4. Step 4: Simplify right side
    95.30x = 12,344.78
  5. Step 5: Solve for x
    x = 12,344.78/95.30
  6. Step 6: Final answer
    x = 129.54

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.