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Finding the Fourth Proportional to 299.49, 449.33 and 94.11

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Solution

The fourth proportional to 299.49, 449.33 and 94.11 is: 141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.49 : 449.33 = 94.11 : x
  2. Step 2: Convert to fraction form
    299.49/449.33 = 94.11/x
  3. Step 3: Cross multiply
    299.49x = 449.33 × 94.11
  4. Step 4: Simplify right side
    299.49x = 42,286.45
  5. Step 5: Solve for x
    x = 42,286.45/299.49
  6. Step 6: Final answer
    x = 141.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.