Home / 1,067.24-1,601.10-336.76

Finding the Fourth Proportional to 1,067.24, 1,601.10 and 336.76

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Solution

The fourth proportional to 1,067.24, 1,601.10 and 336.76 is: 505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.24 : 1,601.10 = 336.76 : x
  2. Step 2: Convert to fraction form
    1,067.24/1,601.10 = 336.76/x
  3. Step 3: Cross multiply
    1,067.24x = 1,601.10 × 336.76
  4. Step 4: Simplify right side
    1,067.24x = 539,182.43
  5. Step 5: Solve for x
    x = 539,182.43/1,067.24
  6. Step 6: Final answer
    x = 505.21

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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.