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Finding the Fourth Proportional to 580.83, 869.45 and 363.39

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Solution

The fourth proportional to 580.83, 869.45 and 363.39 is: 543.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.83 : 869.45 = 363.39 : x
  2. Step 2: Convert to fraction form
    580.83/869.45 = 363.39/x
  3. Step 3: Cross multiply
    580.83x = 869.45 × 363.39
  4. Step 4: Simplify right side
    580.83x = 315,947.62
  5. Step 5: Solve for x
    x = 315,947.62/580.83
  6. Step 6: Final answer
    x = 543.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.