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Finding the Fourth Proportional to 576.79, 795.86 and 324.71

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Solution

The fourth proportional to 576.79, 795.86 and 324.71 is: 448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.79 : 795.86 = 324.71 : x
  2. Step 2: Convert to fraction form
    576.79/795.86 = 324.71/x
  3. Step 3: Cross multiply
    576.79x = 795.86 × 324.71
  4. Step 4: Simplify right side
    576.79x = 258,422.30
  5. Step 5: Solve for x
    x = 258,422.30/576.79
  6. Step 6: Final answer
    x = 448.04

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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.