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Finding the Fourth Proportional to 44.49, 66.67 and 34.33

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Solution

The fourth proportional to 44.49, 66.67 and 34.33 is: 51.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.49 : 66.67 = 34.33 : x
  2. Step 2: Convert to fraction form
    44.49/66.67 = 34.33/x
  3. Step 3: Cross multiply
    44.49x = 66.67 × 34.33
  4. Step 4: Simplify right side
    44.49x = 2,288.61
  5. Step 5: Solve for x
    x = 2,288.61/44.49
  6. Step 6: Final answer
    x = 51.44

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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.