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Finding the Fourth Proportional to 240.88, 361.04 and 132.74

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Solution

The fourth proportional to 240.88, 361.04 and 132.74 is: 198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.88 : 361.04 = 132.74 : x
  2. Step 2: Convert to fraction form
    240.88/361.04 = 132.74/x
  3. Step 3: Cross multiply
    240.88x = 361.04 × 132.74
  4. Step 4: Simplify right side
    240.88x = 47,924.45
  5. Step 5: Solve for x
    x = 47,924.45/240.88
  6. Step 6: Final answer
    x = 198.96

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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.