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Finding the Fourth Proportional to 96.03, 144.10 and 38.28

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Solution

The fourth proportional to 96.03, 144.10 and 38.28 is: 57.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.03 : 144.10 = 38.28 : x
  2. Step 2: Convert to fraction form
    96.03/144.10 = 38.28/x
  3. Step 3: Cross multiply
    96.03x = 144.10 × 38.28
  4. Step 4: Simplify right side
    96.03x = 5,516.47
  5. Step 5: Solve for x
    x = 5,516.47/96.03
  6. Step 6: Final answer
    x = 57.44

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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.