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Finding the Fourth Proportional to 576.09, 793.17 and 508.70

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Solution

The fourth proportional to 576.09, 793.17 and 508.70 is: 700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.09 : 793.17 = 508.70 : x
  2. Step 2: Convert to fraction form
    576.09/793.17 = 508.70/x
  3. Step 3: Cross multiply
    576.09x = 793.17 × 508.70
  4. Step 4: Simplify right side
    576.09x = 403,487.56
  5. Step 5: Solve for x
    x = 403,487.56/576.09
  6. Step 6: Final answer
    x = 700.39

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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.