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Finding the Fourth Proportional to 375.68, 563.52 and 159.11

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Solution

The fourth proportional to 375.68, 563.52 and 159.11 is: 238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.68 : 563.52 = 159.11 : x
  2. Step 2: Convert to fraction form
    375.68/563.52 = 159.11/x
  3. Step 3: Cross multiply
    375.68x = 563.52 × 159.11
  4. Step 4: Simplify right side
    375.68x = 89,661.56
  5. Step 5: Solve for x
    x = 89,661.56/375.68
  6. Step 6: Final answer
    x = 238.66

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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.