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Finding the Fourth Proportional to 568.96, 851.82 and 523.60

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Solution

The fourth proportional to 568.96, 851.82 and 523.60 is: 783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.96 : 851.82 = 523.60 : x
  2. Step 2: Convert to fraction form
    568.96/851.82 = 523.60/x
  3. Step 3: Cross multiply
    568.96x = 851.82 × 523.60
  4. Step 4: Simplify right side
    568.96x = 446,012.95
  5. Step 5: Solve for x
    x = 446,012.95/568.96
  6. Step 6: Final answer
    x = 783.91

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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.