Home / 1,149.03-1,723.28-327.29

Finding the Fourth Proportional to 1,149.03, 1,723.28 and 327.29

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Solution

The fourth proportional to 1,149.03, 1,723.28 and 327.29 is: 490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.03 : 1,723.28 = 327.29 : x
  2. Step 2: Convert to fraction form
    1,149.03/1,723.28 = 327.29/x
  3. Step 3: Cross multiply
    1,149.03x = 1,723.28 × 327.29
  4. Step 4: Simplify right side
    1,149.03x = 564,004.51
  5. Step 5: Solve for x
    x = 564,004.51/1,149.03
  6. Step 6: Final answer
    x = 490.85

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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.