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Finding the Fourth Proportional to 242.44, 361.69 and 240.62

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Solution

The fourth proportional to 242.44, 361.69 and 240.62 is: 358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.44 : 361.69 = 240.62 : x
  2. Step 2: Convert to fraction form
    242.44/361.69 = 240.62/x
  3. Step 3: Cross multiply
    242.44x = 361.69 × 240.62
  4. Step 4: Simplify right side
    242.44x = 87,027.44
  5. Step 5: Solve for x
    x = 87,027.44/242.44
  6. Step 6: Final answer
    x = 358.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.