Home / 1,067.10-1,600.08-326.58

Finding the Fourth Proportional to 1,067.10, 1,600.08 and 326.58

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Solution

The fourth proportional to 1,067.10, 1,600.08 and 326.58 is: 489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.10 : 1,600.08 = 326.58 : x
  2. Step 2: Convert to fraction form
    1,067.10/1,600.08 = 326.58/x
  3. Step 3: Cross multiply
    1,067.10x = 1,600.08 × 326.58
  4. Step 4: Simplify right side
    1,067.10x = 522,554.13
  5. Step 5: Solve for x
    x = 522,554.13/1,067.10
  6. Step 6: Final answer
    x = 489.70

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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.