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Finding the Fourth Proportional to 180.56, 271.24 and 131.96

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Solution

The fourth proportional to 180.56, 271.24 and 131.96 is: 198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180.56 : 271.24 = 131.96 : x
  2. Step 2: Convert to fraction form
    180.56/271.24 = 131.96/x
  3. Step 3: Cross multiply
    180.56x = 271.24 × 131.96
  4. Step 4: Simplify right side
    180.56x = 35,792.83
  5. Step 5: Solve for x
    x = 35,792.83/180.56
  6. Step 6: Final answer
    x = 198.23

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Why These Related Problems?

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