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Finding the Fourth Proportional to 246.63, 369.84 and 109.65

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Solution

The fourth proportional to 246.63, 369.84 and 109.65 is: 164.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.63 : 369.84 = 109.65 : x
  2. Step 2: Convert to fraction form
    246.63/369.84 = 109.65/x
  3. Step 3: Cross multiply
    246.63x = 369.84 × 109.65
  4. Step 4: Simplify right side
    246.63x = 40,552.96
  5. Step 5: Solve for x
    x = 40,552.96/246.63
  6. Step 6: Final answer
    x = 164.43

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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.