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Finding the Fourth Proportional to 362.67, 503.43 and 354.03

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Solution

The fourth proportional to 362.67, 503.43 and 354.03 is: 491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.67 : 503.43 = 354.03 : x
  2. Step 2: Convert to fraction form
    362.67/503.43 = 354.03/x
  3. Step 3: Cross multiply
    362.67x = 503.43 × 354.03
  4. Step 4: Simplify right side
    362.67x = 178,229.32
  5. Step 5: Solve for x
    x = 178,229.32/362.67
  6. Step 6: Final answer
    x = 491.44

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.