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Finding the Fourth Proportional to 237.14, 326.66 and 222.02

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Solution

The fourth proportional to 237.14, 326.66 and 222.02 is: 305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.14 : 326.66 = 222.02 : x
  2. Step 2: Convert to fraction form
    237.14/326.66 = 222.02/x
  3. Step 3: Cross multiply
    237.14x = 326.66 × 222.02
  4. Step 4: Simplify right side
    237.14x = 72,525.05
  5. Step 5: Solve for x
    x = 72,525.05/237.14
  6. Step 6: Final answer
    x = 305.83

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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.