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Finding the Fourth Proportional to 44.10, 60.87 and 42.79

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Solution

The fourth proportional to 44.10, 60.87 and 42.79 is: 59.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.10 : 60.87 = 42.79 : x
  2. Step 2: Convert to fraction form
    44.10/60.87 = 42.79/x
  3. Step 3: Cross multiply
    44.10x = 60.87 × 42.79
  4. Step 4: Simplify right side
    44.10x = 2,604.11
  5. Step 5: Solve for x
    x = 2,604.11/44.10
  6. Step 6: Final answer
    x = 59.05

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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.