Home / 1,067.15-1,600.89-373.80

Finding the Fourth Proportional to 1,067.15, 1,600.89 and 373.80

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Solution

The fourth proportional to 1,067.15, 1,600.89 and 373.80 is: 560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.15 : 1,600.89 = 373.80 : x
  2. Step 2: Convert to fraction form
    1,067.15/1,600.89 = 373.80/x
  3. Step 3: Cross multiply
    1,067.15x = 1,600.89 × 373.80
  4. Step 4: Simplify right side
    1,067.15x = 598,412.68
  5. Step 5: Solve for x
    x = 598,412.68/1,067.15
  6. Step 6: Final answer
    x = 560.76

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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.