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Finding the Fourth Proportional to 375.44, 563.09 and 169.95

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Solution

The fourth proportional to 375.44, 563.09 and 169.95 is: 254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.44 : 563.09 = 169.95 : x
  2. Step 2: Convert to fraction form
    375.44/563.09 = 169.95/x
  3. Step 3: Cross multiply
    375.44x = 563.09 × 169.95
  4. Step 4: Simplify right side
    375.44x = 95,696.30
  5. Step 5: Solve for x
    x = 95,696.30/375.44
  6. Step 6: Final answer
    x = 254.89

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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.