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Finding the Fourth Proportional to 568.34, 853.37 and 540.50

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Solution

The fourth proportional to 568.34, 853.37 and 540.50 is: 811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.34 : 853.37 = 540.50 : x
  2. Step 2: Convert to fraction form
    568.34/853.37 = 540.50/x
  3. Step 3: Cross multiply
    568.34x = 853.37 × 540.50
  4. Step 4: Simplify right side
    568.34x = 461,241.54
  5. Step 5: Solve for x
    x = 461,241.54/568.34
  6. Step 6: Final answer
    x = 811.56

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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.