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Finding the Fourth Proportional to 250.03, 344.76 and 151.78

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Solution

The fourth proportional to 250.03, 344.76 and 151.78 is: 209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.03 : 344.76 = 151.78 : x
  2. Step 2: Convert to fraction form
    250.03/344.76 = 151.78/x
  3. Step 3: Cross multiply
    250.03x = 344.76 × 151.78
  4. Step 4: Simplify right side
    250.03x = 52,327.67
  5. Step 5: Solve for x
    x = 52,327.67/250.03
  6. Step 6: Final answer
    x = 209.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.