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Finding the Fourth Proportional to 246.92, 340.88 and 164.16

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Solution

The fourth proportional to 246.92, 340.88 and 164.16 is: 226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.92 : 340.88 = 164.16 : x
  2. Step 2: Convert to fraction form
    246.92/340.88 = 164.16/x
  3. Step 3: Cross multiply
    246.92x = 340.88 × 164.16
  4. Step 4: Simplify right side
    246.92x = 55,958.86
  5. Step 5: Solve for x
    x = 55,958.86/246.92
  6. Step 6: Final answer
    x = 226.63

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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.