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Finding the Fourth Proportional to 246.12, 367.38 and 212.10

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Solution

The fourth proportional to 246.12, 367.38 and 212.10 is: 316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.12 : 367.38 = 212.10 : x
  2. Step 2: Convert to fraction form
    246.12/367.38 = 212.10/x
  3. Step 3: Cross multiply
    246.12x = 367.38 × 212.10
  4. Step 4: Simplify right side
    246.12x = 77,921.30
  5. Step 5: Solve for x
    x = 77,921.30/246.12
  6. Step 6: Final answer
    x = 316.60

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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.