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Finding the Fourth Proportional to 576.01, 794.86 and 351.90

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Solution

The fourth proportional to 576.01, 794.86 and 351.90 is: 485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.01 : 794.86 = 351.90 : x
  2. Step 2: Convert to fraction form
    576.01/794.86 = 351.90/x
  3. Step 3: Cross multiply
    576.01x = 794.86 × 351.90
  4. Step 4: Simplify right side
    576.01x = 279,713.54
  5. Step 5: Solve for x
    x = 279,713.54/576.01
  6. Step 6: Final answer
    x = 485.61

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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.