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Finding the Fourth Proportional to 375.52, 563.24 and 158.80

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Solution

The fourth proportional to 375.52, 563.24 and 158.80 is: 238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.52 : 563.24 = 158.80 : x
  2. Step 2: Convert to fraction form
    375.52/563.24 = 158.80/x
  3. Step 3: Cross multiply
    375.52x = 563.24 × 158.80
  4. Step 4: Simplify right side
    375.52x = 89,442.51
  5. Step 5: Solve for x
    x = 89,442.51/375.52
  6. Step 6: Final answer
    x = 238.18

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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.