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Finding the Fourth Proportional to 87.32, 131.03 and 44.00

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Solution

The fourth proportional to 87.32, 131.03 and 44.00 is: 66.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87.32 : 131.03 = 44.00 : x
  2. Step 2: Convert to fraction form
    87.32/131.03 = 44.00/x
  3. Step 3: Cross multiply
    87.32x = 131.03 × 44.00
  4. Step 4: Simplify right side
    87.32x = 5,764.66
  5. Step 5: Solve for x
    x = 5,764.66/87.32
  6. Step 6: Final answer
    x = 66.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.