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Finding the Fourth Proportional to 264.38, 363.99 and 222.83

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Solution

The fourth proportional to 264.38, 363.99 and 222.83 is: 306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.38 : 363.99 = 222.83 : x
  2. Step 2: Convert to fraction form
    264.38/363.99 = 222.83/x
  3. Step 3: Cross multiply
    264.38x = 363.99 × 222.83
  4. Step 4: Simplify right side
    264.38x = 81,106.07
  5. Step 5: Solve for x
    x = 81,106.07/264.38
  6. Step 6: Final answer
    x = 306.78

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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.