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Finding the Fourth Proportional to 363.12, 501.24 and 265.38

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Solution

The fourth proportional to 363.12, 501.24 and 265.38 is: 366.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.12 : 501.24 = 265.38 : x
  2. Step 2: Convert to fraction form
    363.12/501.24 = 265.38/x
  3. Step 3: Cross multiply
    363.12x = 501.24 × 265.38
  4. Step 4: Simplify right side
    363.12x = 133,019.07
  5. Step 5: Solve for x
    x = 133,019.07/363.12
  6. Step 6: Final answer
    x = 366.32

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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.