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Finding the Fourth Proportional to 246.75, 340.66 and 164.03

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Solution

The fourth proportional to 246.75, 340.66 and 164.03 is: 226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.75 : 340.66 = 164.03 : x
  2. Step 2: Convert to fraction form
    246.75/340.66 = 164.03/x
  3. Step 3: Cross multiply
    246.75x = 340.66 × 164.03
  4. Step 4: Simplify right side
    246.75x = 55,876.04
  5. Step 5: Solve for x
    x = 55,876.04/246.75
  6. Step 6: Final answer
    x = 226.45

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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.