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Finding the Fourth Proportional to 250.26, 375.42 and 105.93

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Solution

The fourth proportional to 250.26, 375.42 and 105.93 is: 158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.26 : 375.42 = 105.93 : x
  2. Step 2: Convert to fraction form
    250.26/375.42 = 105.93/x
  3. Step 3: Cross multiply
    250.26x = 375.42 × 105.93
  4. Step 4: Simplify right side
    250.26x = 39,768.24
  5. Step 5: Solve for x
    x = 39,768.24/250.26
  6. Step 6: Final answer
    x = 158.91

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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.