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Finding the Fourth Proportional to 269.06, 370.05 and 248.55

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Solution

The fourth proportional to 269.06, 370.05 and 248.55 is: 341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.06 : 370.05 = 248.55 : x
  2. Step 2: Convert to fraction form
    269.06/370.05 = 248.55/x
  3. Step 3: Cross multiply
    269.06x = 370.05 × 248.55
  4. Step 4: Simplify right side
    269.06x = 91,975.93
  5. Step 5: Solve for x
    x = 91,975.93/269.06
  6. Step 6: Final answer
    x = 341.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.