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Finding the Fourth Proportional to 269.91, 370.53 and 248.04

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Solution

The fourth proportional to 269.91, 370.53 and 248.04 is: 340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.91 : 370.53 = 248.04 : x
  2. Step 2: Convert to fraction form
    269.91/370.53 = 248.04/x
  3. Step 3: Cross multiply
    269.91x = 370.53 × 248.04
  4. Step 4: Simplify right side
    269.91x = 91,906.26
  5. Step 5: Solve for x
    x = 91,906.26/269.91
  6. Step 6: Final answer
    x = 340.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.