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Finding the Fourth Proportional to 44.46, 67.01 and 44.06

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Solution

The fourth proportional to 44.46, 67.01 and 44.06 is: 66.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.46 : 67.01 = 44.06 : x
  2. Step 2: Convert to fraction form
    44.46/67.01 = 44.06/x
  3. Step 3: Cross multiply
    44.46x = 67.01 × 44.06
  4. Step 4: Simplify right side
    44.46x = 2,951.91
  5. Step 5: Solve for x
    x = 2,951.91/44.46
  6. Step 6: Final answer
    x = 66.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.