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Finding the Fourth Proportional to 250.12, 345.06 and 176.44

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Solution

The fourth proportional to 250.12, 345.06 and 176.44 is: 243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.12 : 345.06 = 176.44 : x
  2. Step 2: Convert to fraction form
    250.12/345.06 = 176.44/x
  3. Step 3: Cross multiply
    250.12x = 345.06 × 176.44
  4. Step 4: Simplify right side
    250.12x = 60,882.39
  5. Step 5: Solve for x
    x = 60,882.39/250.12
  6. Step 6: Final answer
    x = 243.41

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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.