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Finding the Fourth Proportional to 363.66, 500.43 and 352.98

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Solution

The fourth proportional to 363.66, 500.43 and 352.98 is: 485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.66 : 500.43 = 352.98 : x
  2. Step 2: Convert to fraction form
    363.66/500.43 = 352.98/x
  3. Step 3: Cross multiply
    363.66x = 500.43 × 352.98
  4. Step 4: Simplify right side
    363.66x = 176,641.78
  5. Step 5: Solve for x
    x = 176,641.78/363.66
  6. Step 6: Final answer
    x = 485.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.