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Finding the Fourth Proportional to 236.54, 323.61 and 235.51

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Solution

The fourth proportional to 236.54, 323.61 and 235.51 is: 322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.54 : 323.61 = 235.51 : x
  2. Step 2: Convert to fraction form
    236.54/323.61 = 235.51/x
  3. Step 3: Cross multiply
    236.54x = 323.61 × 235.51
  4. Step 4: Simplify right side
    236.54x = 76,212.58
  5. Step 5: Solve for x
    x = 76,212.58/236.54
  6. Step 6: Final answer
    x = 322.20

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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.