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Finding the Fourth Proportional to 44.67, 61.63 and 30.13

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Solution

The fourth proportional to 44.67, 61.63 and 30.13 is: 41.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.67 : 61.63 = 30.13 : x
  2. Step 2: Convert to fraction form
    44.67/61.63 = 30.13/x
  3. Step 3: Cross multiply
    44.67x = 61.63 × 30.13
  4. Step 4: Simplify right side
    44.67x = 1,856.91
  5. Step 5: Solve for x
    x = 1,856.91/44.67
  6. Step 6: Final answer
    x = 41.57

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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.