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Finding the Fourth Proportional to 236.43, 353.84 and 205.83

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Solution

The fourth proportional to 236.43, 353.84 and 205.83 is: 308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.43 : 353.84 = 205.83 : x
  2. Step 2: Convert to fraction form
    236.43/353.84 = 205.83/x
  3. Step 3: Cross multiply
    236.43x = 353.84 × 205.83
  4. Step 4: Simplify right side
    236.43x = 72,829.86
  5. Step 5: Solve for x
    x = 72,829.86/236.43
  6. Step 6: Final answer
    x = 308.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.