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Finding the Fourth Proportional to 363.41, 540.44 and 351.87

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Solution

The fourth proportional to 363.41, 540.44 and 351.87 is: 523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.41 : 540.44 = 351.87 : x
  2. Step 2: Convert to fraction form
    363.41/540.44 = 351.87/x
  3. Step 3: Cross multiply
    363.41x = 540.44 × 351.87
  4. Step 4: Simplify right side
    363.41x = 190,162.86
  5. Step 5: Solve for x
    x = 190,162.86/363.41
  6. Step 6: Final answer
    x = 523.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.