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Finding the Fourth Proportional to 236.04, 355.86 and 222.12

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Solution

The fourth proportional to 236.04, 355.86 and 222.12 is: 334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.04 : 355.86 = 222.12 : x
  2. Step 2: Convert to fraction form
    236.04/355.86 = 222.12/x
  3. Step 3: Cross multiply
    236.04x = 355.86 × 222.12
  4. Step 4: Simplify right side
    236.04x = 79,043.62
  5. Step 5: Solve for x
    x = 79,043.62/236.04
  6. Step 6: Final answer
    x = 334.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.