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Finding the Fourth Proportional to 300.03, 449.93 and 104.97

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Solution

The fourth proportional to 300.03, 449.93 and 104.97 is: 157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    300.03 : 449.93 = 104.97 : x
  2. Step 2: Convert to fraction form
    300.03/449.93 = 104.97/x
  3. Step 3: Cross multiply
    300.03x = 449.93 × 104.97
  4. Step 4: Simplify right side
    300.03x = 47,229.15
  5. Step 5: Solve for x
    x = 47,229.15/300.03
  6. Step 6: Final answer
    x = 157.42

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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.