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Finding the Fourth Proportional to 236.39, 352.22 and 225.91

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Solution

The fourth proportional to 236.39, 352.22 and 225.91 is: 336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.39 : 352.22 = 225.91 : x
  2. Step 2: Convert to fraction form
    236.39/352.22 = 225.91/x
  3. Step 3: Cross multiply
    236.39x = 352.22 × 225.91
  4. Step 4: Simplify right side
    236.39x = 79,570.02
  5. Step 5: Solve for x
    x = 79,570.02/236.39
  6. Step 6: Final answer
    x = 336.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.