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Finding the Fourth Proportional to 96.08, 144.08 and 93.20

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Solution

The fourth proportional to 96.08, 144.08 and 93.20 is: 139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.08 : 144.08 = 93.20 : x
  2. Step 2: Convert to fraction form
    96.08/144.08 = 93.20/x
  3. Step 3: Cross multiply
    96.08x = 144.08 × 93.20
  4. Step 4: Simplify right side
    96.08x = 13,428.26
  5. Step 5: Solve for x
    x = 13,428.26/96.08
  6. Step 6: Final answer
    x = 139.76

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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.