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Finding the Fourth Proportional to 576.08, 794.89 and 327.31

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Solution

The fourth proportional to 576.08, 794.89 and 327.31 is: 451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.08 : 794.89 = 327.31 : x
  2. Step 2: Convert to fraction form
    576.08/794.89 = 327.31/x
  3. Step 3: Cross multiply
    576.08x = 794.89 × 327.31
  4. Step 4: Simplify right side
    576.08x = 260,172.95
  5. Step 5: Solve for x
    x = 260,172.95/576.08
  6. Step 6: Final answer
    x = 451.63

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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.