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Finding the Fourth Proportional to 236.52, 324.81 and 199.26

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Solution

The fourth proportional to 236.52, 324.81 and 199.26 is: 273.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.52 : 324.81 = 199.26 : x
  2. Step 2: Convert to fraction form
    236.52/324.81 = 199.26/x
  3. Step 3: Cross multiply
    236.52x = 324.81 × 199.26
  4. Step 4: Simplify right side
    236.52x = 64,721.64
  5. Step 5: Solve for x
    x = 64,721.64/236.52
  6. Step 6: Final answer
    x = 273.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.