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Finding the Fourth Proportional to 246.79, 340.35 and 194.26

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Solution

The fourth proportional to 246.79, 340.35 and 194.26 is: 267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.79 : 340.35 = 194.26 : x
  2. Step 2: Convert to fraction form
    246.79/340.35 = 194.26/x
  3. Step 3: Cross multiply
    246.79x = 340.35 × 194.26
  4. Step 4: Simplify right side
    246.79x = 66,116.39
  5. Step 5: Solve for x
    x = 66,116.39/246.79
  6. Step 6: Final answer
    x = 267.91

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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.