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Finding the Fourth Proportional to 246.56, 370.20 and 230.72

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Solution

The fourth proportional to 246.56, 370.20 and 230.72 is: 346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.56 : 370.20 = 230.72 : x
  2. Step 2: Convert to fraction form
    246.56/370.20 = 230.72/x
  3. Step 3: Cross multiply
    246.56x = 370.20 × 230.72
  4. Step 4: Simplify right side
    246.56x = 85,412.54
  5. Step 5: Solve for x
    x = 85,412.54/246.56
  6. Step 6: Final answer
    x = 346.42

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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.