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Finding the Fourth Proportional to 246.79, 370.30 and 125.13

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Solution

The fourth proportional to 246.79, 370.30 and 125.13 is: 187.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.79 : 370.30 = 125.13 : x
  2. Step 2: Convert to fraction form
    246.79/370.30 = 125.13/x
  3. Step 3: Cross multiply
    246.79x = 370.30 × 125.13
  4. Step 4: Simplify right side
    246.79x = 46,335.64
  5. Step 5: Solve for x
    x = 46,335.64/246.79
  6. Step 6: Final answer
    x = 187.75

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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.