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Finding the Fourth Proportional to 250.23, 373.28 and 239.86

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Solution

The fourth proportional to 250.23, 373.28 and 239.86 is: 357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.23 : 373.28 = 239.86 : x
  2. Step 2: Convert to fraction form
    250.23/373.28 = 239.86/x
  3. Step 3: Cross multiply
    250.23x = 373.28 × 239.86
  4. Step 4: Simplify right side
    250.23x = 89,534.94
  5. Step 5: Solve for x
    x = 89,534.94/250.23
  6. Step 6: Final answer
    x = 357.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.