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Finding the Fourth Proportional to 559.33, 838.82 and 169.30

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Solution

The fourth proportional to 559.33, 838.82 and 169.30 is: 253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.33 : 838.82 = 169.30 : x
  2. Step 2: Convert to fraction form
    559.33/838.82 = 169.30/x
  3. Step 3: Cross multiply
    559.33x = 838.82 × 169.30
  4. Step 4: Simplify right side
    559.33x = 142,010.55
  5. Step 5: Solve for x
    x = 142,010.55/559.33
  6. Step 6: Final answer
    x = 253.89

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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.