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Finding the Fourth Proportional to 44.26, 60.90 and 42.91

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Solution

The fourth proportional to 44.26, 60.90 and 42.91 is: 59.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.26 : 60.90 = 42.91 : x
  2. Step 2: Convert to fraction form
    44.26/60.90 = 42.91/x
  3. Step 3: Cross multiply
    44.26x = 60.90 × 42.91
  4. Step 4: Simplify right side
    44.26x = 2,613.22
  5. Step 5: Solve for x
    x = 2,613.22/44.26
  6. Step 6: Final answer
    x = 59.04

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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.