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Finding the Fourth Proportional to 250.50, 375.82 and 106.24

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Solution

The fourth proportional to 250.50, 375.82 and 106.24 is: 159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.50 : 375.82 = 106.24 : x
  2. Step 2: Convert to fraction form
    250.50/375.82 = 106.24/x
  3. Step 3: Cross multiply
    250.50x = 375.82 × 106.24
  4. Step 4: Simplify right side
    250.50x = 39,927.12
  5. Step 5: Solve for x
    x = 39,927.12/250.50
  6. Step 6: Final answer
    x = 159.39

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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.