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Finding the Fourth Proportional to 236.01, 325.77 and 218.70

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Solution

The fourth proportional to 236.01, 325.77 and 218.70 is: 301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.01 : 325.77 = 218.70 : x
  2. Step 2: Convert to fraction form
    236.01/325.77 = 218.70/x
  3. Step 3: Cross multiply
    236.01x = 325.77 × 218.70
  4. Step 4: Simplify right side
    236.01x = 71,246.31
  5. Step 5: Solve for x
    x = 71,246.31/236.01
  6. Step 6: Final answer
    x = 301.87

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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.