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Finding the Fourth Proportional to 575.12, 861.59 and 568.73

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Solution

The fourth proportional to 575.12, 861.59 and 568.73 is: 852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.12 : 861.59 = 568.73 : x
  2. Step 2: Convert to fraction form
    575.12/861.59 = 568.73/x
  3. Step 3: Cross multiply
    575.12x = 861.59 × 568.73
  4. Step 4: Simplify right side
    575.12x = 490,004.93
  5. Step 5: Solve for x
    x = 490,004.93/575.12
  6. Step 6: Final answer
    x = 852.01

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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.