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Finding the Fourth Proportional to 363.42, 501.42 and 223.54

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Solution

The fourth proportional to 363.42, 501.42 and 223.54 is: 308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.42 : 501.42 = 223.54 : x
  2. Step 2: Convert to fraction form
    363.42/501.42 = 223.54/x
  3. Step 3: Cross multiply
    363.42x = 501.42 × 223.54
  4. Step 4: Simplify right side
    363.42x = 112,087.43
  5. Step 5: Solve for x
    x = 112,087.43/363.42
  6. Step 6: Final answer
    x = 308.42

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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.