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Finding the Fourth Proportional to 246.18, 369.22 and 92.09

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Solution

The fourth proportional to 246.18, 369.22 and 92.09 is: 138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.18 : 369.22 = 92.09 : x
  2. Step 2: Convert to fraction form
    246.18/369.22 = 92.09/x
  3. Step 3: Cross multiply
    246.18x = 369.22 × 92.09
  4. Step 4: Simplify right side
    246.18x = 33,999.62
  5. Step 5: Solve for x
    x = 33,999.62/246.18
  6. Step 6: Final answer
    x = 138.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.