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Finding the Fourth Proportional to 104.11, 155.93 and 101.24

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Solution

The fourth proportional to 104.11, 155.93 and 101.24 is: 151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.11 : 155.93 = 101.24 : x
  2. Step 2: Convert to fraction form
    104.11/155.93 = 101.24/x
  3. Step 3: Cross multiply
    104.11x = 155.93 × 101.24
  4. Step 4: Simplify right side
    104.11x = 15,785.57
  5. Step 5: Solve for x
    x = 15,785.57/104.11
  6. Step 6: Final answer
    x = 151.63

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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.