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Finding the Fourth Proportional to 255.26, 351.73 and 227.33

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Solution

The fourth proportional to 255.26, 351.73 and 227.33 is: 313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255.26 : 351.73 = 227.33 : x
  2. Step 2: Convert to fraction form
    255.26/351.73 = 227.33/x
  3. Step 3: Cross multiply
    255.26x = 351.73 × 227.33
  4. Step 4: Simplify right side
    255.26x = 79,958.78
  5. Step 5: Solve for x
    x = 79,958.78/255.26
  6. Step 6: Final answer
    x = 313.24

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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.