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Finding the Fourth Proportional to 246.36, 369.16 and 217.40

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Solution

The fourth proportional to 246.36, 369.16 and 217.40 is: 325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.36 : 369.16 = 217.40 : x
  2. Step 2: Convert to fraction form
    246.36/369.16 = 217.40/x
  3. Step 3: Cross multiply
    246.36x = 369.16 × 217.40
  4. Step 4: Simplify right side
    246.36x = 80,255.38
  5. Step 5: Solve for x
    x = 80,255.38/246.36
  6. Step 6: Final answer
    x = 325.76

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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.