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Finding the Fourth Proportional to 292.38, 403.46 and 168.03

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Solution

The fourth proportional to 292.38, 403.46 and 168.03 is: 231.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.38 : 403.46 = 168.03 : x
  2. Step 2: Convert to fraction form
    292.38/403.46 = 168.03/x
  3. Step 3: Cross multiply
    292.38x = 403.46 × 168.03
  4. Step 4: Simplify right side
    292.38x = 67,793.38
  5. Step 5: Solve for x
    x = 67,793.38/292.38
  6. Step 6: Final answer
    x = 231.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.