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Finding the Fourth Proportional to 50.66, 69.87 and 32.23

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Solution

The fourth proportional to 50.66, 69.87 and 32.23 is: 44.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.66 : 69.87 = 32.23 : x
  2. Step 2: Convert to fraction form
    50.66/69.87 = 32.23/x
  3. Step 3: Cross multiply
    50.66x = 69.87 × 32.23
  4. Step 4: Simplify right side
    50.66x = 2,251.91
  5. Step 5: Solve for x
    x = 2,251.91/50.66
  6. Step 6: Final answer
    x = 44.45

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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.