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Finding the Fourth Proportional to 299.68, 447.56 and 244.92

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Solution

The fourth proportional to 299.68, 447.56 and 244.92 is: 365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.68 : 447.56 = 244.92 : x
  2. Step 2: Convert to fraction form
    299.68/447.56 = 244.92/x
  3. Step 3: Cross multiply
    299.68x = 447.56 × 244.92
  4. Step 4: Simplify right side
    299.68x = 109,616.40
  5. Step 5: Solve for x
    x = 109,616.40/299.68
  6. Step 6: Final answer
    x = 365.78

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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.