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Finding the Fourth Proportional to 252.23, 343.69 and 246.61

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Solution

The fourth proportional to 252.23, 343.69 and 246.61 is: 336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.23 : 343.69 = 246.61 : x
  2. Step 2: Convert to fraction form
    252.23/343.69 = 246.61/x
  3. Step 3: Cross multiply
    252.23x = 343.69 × 246.61
  4. Step 4: Simplify right side
    252.23x = 84,758.59
  5. Step 5: Solve for x
    x = 84,758.59/252.23
  6. Step 6: Final answer
    x = 336.04

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.