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Finding the Fourth Proportional to 246.49, 367.40 and 219.15

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Solution

The fourth proportional to 246.49, 367.40 and 219.15 is: 326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.49 : 367.40 = 219.15 : x
  2. Step 2: Convert to fraction form
    246.49/367.40 = 219.15/x
  3. Step 3: Cross multiply
    246.49x = 367.40 × 219.15
  4. Step 4: Simplify right side
    246.49x = 80,516.26
  5. Step 5: Solve for x
    x = 80,516.26/246.49
  6. Step 6: Final answer
    x = 326.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.