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Finding the Fourth Proportional to 240.38, 359.62 and 238.62

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Solution

The fourth proportional to 240.38, 359.62 and 238.62 is: 356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.38 : 359.62 = 238.62 : x
  2. Step 2: Convert to fraction form
    240.38/359.62 = 238.62/x
  3. Step 3: Cross multiply
    240.38x = 359.62 × 238.62
  4. Step 4: Simplify right side
    240.38x = 85,813.28
  5. Step 5: Solve for x
    x = 85,813.28/240.38
  6. Step 6: Final answer
    x = 356.99

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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.