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Finding the Fourth Proportional to 246.50, 369.89 and 118.25

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Solution

The fourth proportional to 246.50, 369.89 and 118.25 is: 177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.50 : 369.89 = 118.25 : x
  2. Step 2: Convert to fraction form
    246.50/369.89 = 118.25/x
  3. Step 3: Cross multiply
    246.50x = 369.89 × 118.25
  4. Step 4: Simplify right side
    246.50x = 43,738.90
  5. Step 5: Solve for x
    x = 43,738.90/246.50
  6. Step 6: Final answer
    x = 177.44

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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.