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Finding the Fourth Proportional to 44.96, 62.02 and 30.38

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Solution

The fourth proportional to 44.96, 62.02 and 30.38 is: 41.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.96 : 62.02 = 30.38 : x
  2. Step 2: Convert to fraction form
    44.96/62.02 = 30.38/x
  3. Step 3: Cross multiply
    44.96x = 62.02 × 30.38
  4. Step 4: Simplify right side
    44.96x = 1,883.72
  5. Step 5: Solve for x
    x = 1,883.72/44.96
  6. Step 6: Final answer
    x = 41.90

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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.