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Finding the Fourth Proportional to 576.09, 794.96 and 327.40

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Solution

The fourth proportional to 576.09, 794.96 and 327.40 is: 451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.09 : 794.96 = 327.40 : x
  2. Step 2: Convert to fraction form
    576.09/794.96 = 327.40/x
  3. Step 3: Cross multiply
    576.09x = 794.96 × 327.40
  4. Step 4: Simplify right side
    576.09x = 260,269.90
  5. Step 5: Solve for x
    x = 260,269.90/576.09
  6. Step 6: Final answer
    x = 451.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.