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Finding the Fourth Proportional to 236.68, 326.50 and 177.82

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Solution

The fourth proportional to 236.68, 326.50 and 177.82 is: 245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.68 : 326.50 = 177.82 : x
  2. Step 2: Convert to fraction form
    236.68/326.50 = 177.82/x
  3. Step 3: Cross multiply
    236.68x = 326.50 × 177.82
  4. Step 4: Simplify right side
    236.68x = 58,058.23
  5. Step 5: Solve for x
    x = 58,058.23/236.68
  6. Step 6: Final answer
    x = 245.30

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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.