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Finding the Fourth Proportional to 41.36, 57.11 and 38.29

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Solution

The fourth proportional to 41.36, 57.11 and 38.29 is: 52.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.36 : 57.11 = 38.29 : x
  2. Step 2: Convert to fraction form
    41.36/57.11 = 38.29/x
  3. Step 3: Cross multiply
    41.36x = 57.11 × 38.29
  4. Step 4: Simplify right side
    41.36x = 2,186.74
  5. Step 5: Solve for x
    x = 2,186.74/41.36
  6. Step 6: Final answer
    x = 52.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.