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Finding the Fourth Proportional to 246.81, 370.23 and 84.54

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Solution

The fourth proportional to 246.81, 370.23 and 84.54 is: 126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.81 : 370.23 = 84.54 : x
  2. Step 2: Convert to fraction form
    246.81/370.23 = 84.54/x
  3. Step 3: Cross multiply
    246.81x = 370.23 × 84.54
  4. Step 4: Simplify right side
    246.81x = 31,299.24
  5. Step 5: Solve for x
    x = 31,299.24/246.81
  6. Step 6: Final answer
    x = 126.82

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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.