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Finding the Fourth Proportional to 375.27, 563 and 238.12

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Solution

The fourth proportional to 375.27, 563 and 238.12 is: 357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.27 : 563 = 238.12 : x
  2. Step 2: Convert to fraction form
    375.27/563 = 238.12/x
  3. Step 3: Cross multiply
    375.27x = 563 × 238.12
  4. Step 4: Simplify right side
    375.27x = 134,061.56
  5. Step 5: Solve for x
    x = 134,061.56/375.27
  6. Step 6: Final answer
    x = 357.24

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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.