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Finding the Fourth Proportional to 542.44, 813.30 and 349.96

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Solution

The fourth proportional to 542.44, 813.30 and 349.96 is: 524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    542.44 : 813.30 = 349.96 : x
  2. Step 2: Convert to fraction form
    542.44/813.30 = 349.96/x
  3. Step 3: Cross multiply
    542.44x = 813.30 × 349.96
  4. Step 4: Simplify right side
    542.44x = 284,622.47
  5. Step 5: Solve for x
    x = 284,622.47/542.44
  6. Step 6: Final answer
    x = 524.71

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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.