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Finding the Fourth Proportional to 576.59, 795.86 and 411.28

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Solution

The fourth proportional to 576.59, 795.86 and 411.28 is: 567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.59 : 795.86 = 411.28 : x
  2. Step 2: Convert to fraction form
    576.59/795.86 = 411.28/x
  3. Step 3: Cross multiply
    576.59x = 795.86 × 411.28
  4. Step 4: Simplify right side
    576.59x = 327,321.30
  5. Step 5: Solve for x
    x = 327,321.30/576.59
  6. Step 6: Final answer
    x = 567.68

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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.