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Finding the Fourth Proportional to 1,067.27, 1,600.88 and 450.81

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Solution

The fourth proportional to 1,067.27, 1,600.88 and 450.81 is: 676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.27 : 1,600.88 = 450.81 : x
  2. Step 2: Convert to fraction form
    1,067.27/1,600.88 = 450.81/x
  3. Step 3: Cross multiply
    1,067.27x = 1,600.88 × 450.81
  4. Step 4: Simplify right side
    1,067.27x = 721,690.46
  5. Step 5: Solve for x
    x = 721,690.46/1,067.27
  6. Step 6: Final answer
    x = 676.20

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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.