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Finding the Fourth Proportional to 568.14, 851.55 and 275.23

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Solution

The fourth proportional to 568.14, 851.55 and 275.23 is: 412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.14 : 851.55 = 275.23 : x
  2. Step 2: Convert to fraction form
    568.14/851.55 = 275.23/x
  3. Step 3: Cross multiply
    568.14x = 851.55 × 275.23
  4. Step 4: Simplify right side
    568.14x = 234,372.11
  5. Step 5: Solve for x
    x = 234,372.11/568.14
  6. Step 6: Final answer
    x = 412.53

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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.