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Finding the Fourth Proportional to 375.49, 563.24 and 238.58

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Solution

The fourth proportional to 375.49, 563.24 and 238.58 is: 357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.49 : 563.24 = 238.58 : x
  2. Step 2: Convert to fraction form
    375.49/563.24 = 238.58/x
  3. Step 3: Cross multiply
    375.49x = 563.24 × 238.58
  4. Step 4: Simplify right side
    375.49x = 134,377.80
  5. Step 5: Solve for x
    x = 134,377.80/375.49
  6. Step 6: Final answer
    x = 357.87

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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.