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Finding the Fourth Proportional to 44.58, 67.20 and 41.73

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Solution

The fourth proportional to 44.58, 67.20 and 41.73 is: 62.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.58 : 67.20 = 41.73 : x
  2. Step 2: Convert to fraction form
    44.58/67.20 = 41.73/x
  3. Step 3: Cross multiply
    44.58x = 67.20 × 41.73
  4. Step 4: Simplify right side
    44.58x = 2,804.26
  5. Step 5: Solve for x
    x = 2,804.26/44.58
  6. Step 6: Final answer
    x = 62.90

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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.