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Finding the Fourth Proportional to 247.12, 367.43 and 244.68

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Solution

The fourth proportional to 247.12, 367.43 and 244.68 is: 363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.12 : 367.43 = 244.68 : x
  2. Step 2: Convert to fraction form
    247.12/367.43 = 244.68/x
  3. Step 3: Cross multiply
    247.12x = 367.43 × 244.68
  4. Step 4: Simplify right side
    247.12x = 89,902.77
  5. Step 5: Solve for x
    x = 89,902.77/247.12
  6. Step 6: Final answer
    x = 363.80

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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.