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Finding the Fourth Proportional to 247.40, 369.49 and 232.68

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Solution

The fourth proportional to 247.40, 369.49 and 232.68 is: 347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.40 : 369.49 = 232.68 : x
  2. Step 2: Convert to fraction form
    247.40/369.49 = 232.68/x
  3. Step 3: Cross multiply
    247.40x = 369.49 × 232.68
  4. Step 4: Simplify right side
    247.40x = 85,972.93
  5. Step 5: Solve for x
    x = 85,972.93/247.40
  6. Step 6: Final answer
    x = 347.51

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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.