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Finding the Fourth Proportional to 579.29, 864.03 and 568.35

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Solution

The fourth proportional to 579.29, 864.03 and 568.35 is: 847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.29 : 864.03 = 568.35 : x
  2. Step 2: Convert to fraction form
    579.29/864.03 = 568.35/x
  3. Step 3: Cross multiply
    579.29x = 864.03 × 568.35
  4. Step 4: Simplify right side
    579.29x = 491,073.58
  5. Step 5: Solve for x
    x = 491,073.58/579.29
  6. Step 6: Final answer
    x = 847.72

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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.