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Finding the Fourth Proportional to 379.08, 568.44 and 162.54

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Solution

The fourth proportional to 379.08, 568.44 and 162.54 is: 243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.08 : 568.44 = 162.54 : x
  2. Step 2: Convert to fraction form
    379.08/568.44 = 162.54/x
  3. Step 3: Cross multiply
    379.08x = 568.44 × 162.54
  4. Step 4: Simplify right side
    379.08x = 92,394.24
  5. Step 5: Solve for x
    x = 92,394.24/379.08
  6. Step 6: Final answer
    x = 243.73

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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.