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Finding the Fourth Proportional to 269.01, 370.44 and 225.27

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Solution

The fourth proportional to 269.01, 370.44 and 225.27 is: 310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.01 : 370.44 = 225.27 : x
  2. Step 2: Convert to fraction form
    269.01/370.44 = 225.27/x
  3. Step 3: Cross multiply
    269.01x = 370.44 × 225.27
  4. Step 4: Simplify right side
    269.01x = 83,449.02
  5. Step 5: Solve for x
    x = 83,449.02/269.01
  6. Step 6: Final answer
    x = 310.21

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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.