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Finding the Fourth Proportional to 576.92, 795.90 and 411.48

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Solution

The fourth proportional to 576.92, 795.90 and 411.48 is: 567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.92 : 795.90 = 411.48 : x
  2. Step 2: Convert to fraction form
    576.92/795.90 = 411.48/x
  3. Step 3: Cross multiply
    576.92x = 795.90 × 411.48
  4. Step 4: Simplify right side
    576.92x = 327,496.93
  5. Step 5: Solve for x
    x = 327,496.93/576.92
  6. Step 6: Final answer
    x = 567.66

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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.