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Finding the Fourth Proportional to 96.52, 144.56 and 93.28

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Solution

The fourth proportional to 96.52, 144.56 and 93.28 is: 139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.52 : 144.56 = 93.28 : x
  2. Step 2: Convert to fraction form
    96.52/144.56 = 93.28/x
  3. Step 3: Cross multiply
    96.52x = 144.56 × 93.28
  4. Step 4: Simplify right side
    96.52x = 13,484.56
  5. Step 5: Solve for x
    x = 13,484.56/96.52
  6. Step 6: Final answer
    x = 139.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.