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Finding the Fourth Proportional to 50.18, 69.17 and 36.32

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Solution

The fourth proportional to 50.18, 69.17 and 36.32 is: 50.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.18 : 69.17 = 36.32 : x
  2. Step 2: Convert to fraction form
    50.18/69.17 = 36.32/x
  3. Step 3: Cross multiply
    50.18x = 69.17 × 36.32
  4. Step 4: Simplify right side
    50.18x = 2,511.73
  5. Step 5: Solve for x
    x = 2,511.73/50.18
  6. Step 6: Final answer
    x = 50.06

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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.