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Finding the Fourth Proportional to 240.89, 361.67 and 149.31

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Solution

The fourth proportional to 240.89, 361.67 and 149.31 is: 224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.89 : 361.67 = 149.31 : x
  2. Step 2: Convert to fraction form
    240.89/361.67 = 149.31/x
  3. Step 3: Cross multiply
    240.89x = 361.67 × 149.31
  4. Step 4: Simplify right side
    240.89x = 54,000.44
  5. Step 5: Solve for x
    x = 54,000.44/240.89
  6. Step 6: Final answer
    x = 224.17

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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.