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Finding the Fourth Proportional to 263.52, 363.52 and 240.32

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Solution

The fourth proportional to 263.52, 363.52 and 240.32 is: 331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.52 : 363.52 = 240.32 : x
  2. Step 2: Convert to fraction form
    263.52/363.52 = 240.32/x
  3. Step 3: Cross multiply
    263.52x = 363.52 × 240.32
  4. Step 4: Simplify right side
    263.52x = 87,361.13
  5. Step 5: Solve for x
    x = 87,361.13/263.52
  6. Step 6: Final answer
    x = 331.52

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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.