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Finding the Fourth Proportional to 246.70, 339.96 and 236.71

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Solution

The fourth proportional to 246.70, 339.96 and 236.71 is: 326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.70 : 339.96 = 236.71 : x
  2. Step 2: Convert to fraction form
    246.70/339.96 = 236.71/x
  3. Step 3: Cross multiply
    246.70x = 339.96 × 236.71
  4. Step 4: Simplify right side
    246.70x = 80,471.93
  5. Step 5: Solve for x
    x = 80,471.93/246.70
  6. Step 6: Final answer
    x = 326.19

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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.