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Finding the Fourth Proportional to 247.92, 369.76 and 234.96

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Solution

The fourth proportional to 247.92, 369.76 and 234.96 is: 350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.92 : 369.76 = 234.96 : x
  2. Step 2: Convert to fraction form
    247.92/369.76 = 234.96/x
  3. Step 3: Cross multiply
    247.92x = 369.76 × 234.96
  4. Step 4: Simplify right side
    247.92x = 86,878.81
  5. Step 5: Solve for x
    x = 86,878.81/247.92
  6. Step 6: Final answer
    x = 350.43

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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.