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Finding the Fourth Proportional to 246.44, 369.60 and 84.14

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Solution

The fourth proportional to 246.44, 369.60 and 84.14 is: 126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.44 : 369.60 = 84.14 : x
  2. Step 2: Convert to fraction form
    246.44/369.60 = 84.14/x
  3. Step 3: Cross multiply
    246.44x = 369.60 × 84.14
  4. Step 4: Simplify right side
    246.44x = 31,096.30
  5. Step 5: Solve for x
    x = 31,096.30/246.44
  6. Step 6: Final answer
    x = 126.18

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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.