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Finding the Fourth Proportional to 236.65, 326.60 and 181.37

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Solution

The fourth proportional to 236.65, 326.60 and 181.37 is: 250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.65 : 326.60 = 181.37 : x
  2. Step 2: Convert to fraction form
    236.65/326.60 = 181.37/x
  3. Step 3: Cross multiply
    236.65x = 326.60 × 181.37
  4. Step 4: Simplify right side
    236.65x = 59,234.26
  5. Step 5: Solve for x
    x = 59,234.26/236.65
  6. Step 6: Final answer
    x = 250.31

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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.