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Finding the Fourth Proportional to 236.99, 327.04 and 163.32

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Solution

The fourth proportional to 236.99, 327.04 and 163.32 is: 225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.99 : 327.04 = 163.32 : x
  2. Step 2: Convert to fraction form
    236.99/327.04 = 163.32/x
  3. Step 3: Cross multiply
    236.99x = 327.04 × 163.32
  4. Step 4: Simplify right side
    236.99x = 53,410.54
  5. Step 5: Solve for x
    x = 53,410.54/236.99
  6. Step 6: Final answer
    x = 225.37

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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.