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Finding the Fourth Proportional to 246.83, 342.20 and 234.50

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Solution

The fourth proportional to 246.83, 342.20 and 234.50 is: 325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.83 : 342.20 = 234.50 : x
  2. Step 2: Convert to fraction form
    246.83/342.20 = 234.50/x
  3. Step 3: Cross multiply
    246.83x = 342.20 × 234.50
  4. Step 4: Simplify right side
    246.83x = 80,244.78
  5. Step 5: Solve for x
    x = 80,244.78/246.83
  6. Step 6: Final answer
    x = 325.11

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.