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Finding the Fourth Proportional to 951.27, 1,426.60 and 301.83

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Solution

The fourth proportional to 951.27, 1,426.60 and 301.83 is: 452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.27 : 1,426.60 = 301.83 : x
  2. Step 2: Convert to fraction form
    951.27/1,426.60 = 301.83/x
  3. Step 3: Cross multiply
    951.27x = 1,426.60 × 301.83
  4. Step 4: Simplify right side
    951.27x = 430,590.68
  5. Step 5: Solve for x
    x = 430,590.68/951.27
  6. Step 6: Final answer
    x = 452.65

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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.