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Finding the Fourth Proportional to 579.59, 863.74 and 562.02

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Solution

The fourth proportional to 579.59, 863.74 and 562.02 is: 837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.59 : 863.74 = 562.02 : x
  2. Step 2: Convert to fraction form
    579.59/863.74 = 562.02/x
  3. Step 3: Cross multiply
    579.59x = 863.74 × 562.02
  4. Step 4: Simplify right side
    579.59x = 485,439.15
  5. Step 5: Solve for x
    x = 485,439.15/579.59
  6. Step 6: Final answer
    x = 837.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.