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Finding the Fourth Proportional to 236.02, 351.60 and 227.31

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Solution

The fourth proportional to 236.02, 351.60 and 227.31 is: 338.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.02 : 351.60 = 227.31 : x
  2. Step 2: Convert to fraction form
    236.02/351.60 = 227.31/x
  3. Step 3: Cross multiply
    236.02x = 351.60 × 227.31
  4. Step 4: Simplify right side
    236.02x = 79,920.44
  5. Step 5: Solve for x
    x = 79,920.44/236.02
  6. Step 6: Final answer
    x = 338.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.