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Finding the Fourth Proportional to 44.13, 66.20 and 33.96

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Solution

The fourth proportional to 44.13, 66.20 and 33.96 is: 50.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.13 : 66.20 = 33.96 : x
  2. Step 2: Convert to fraction form
    44.13/66.20 = 33.96/x
  3. Step 3: Cross multiply
    44.13x = 66.20 × 33.96
  4. Step 4: Simplify right side
    44.13x = 2,248.15
  5. Step 5: Solve for x
    x = 2,248.15/44.13
  6. Step 6: Final answer
    x = 50.94

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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.