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Finding the Fourth Proportional to 44.37, 60.97 and 40.18

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Solution

The fourth proportional to 44.37, 60.97 and 40.18 is: 55.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.37 : 60.97 = 40.18 : x
  2. Step 2: Convert to fraction form
    44.37/60.97 = 40.18/x
  3. Step 3: Cross multiply
    44.37x = 60.97 × 40.18
  4. Step 4: Simplify right side
    44.37x = 2,449.77
  5. Step 5: Solve for x
    x = 2,449.77/44.37
  6. Step 6: Final answer
    x = 55.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.