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Finding the Fourth Proportional to 598.68, 892.15 and 579.11

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Solution

The fourth proportional to 598.68, 892.15 and 579.11 is: 862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.68 : 892.15 = 579.11 : x
  2. Step 2: Convert to fraction form
    598.68/892.15 = 579.11/x
  3. Step 3: Cross multiply
    598.68x = 892.15 × 579.11
  4. Step 4: Simplify right side
    598.68x = 516,647.08
  5. Step 5: Solve for x
    x = 516,647.08/598.68
  6. Step 6: Final answer
    x = 862.98

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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.