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Finding the Fourth Proportional to 240.37, 331.05 and 222.14

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Solution

The fourth proportional to 240.37, 331.05 and 222.14 is: 305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.37 : 331.05 = 222.14 : x
  2. Step 2: Convert to fraction form
    240.37/331.05 = 222.14/x
  3. Step 3: Cross multiply
    240.37x = 331.05 × 222.14
  4. Step 4: Simplify right side
    240.37x = 73,538.34
  5. Step 5: Solve for x
    x = 73,538.34/240.37
  6. Step 6: Final answer
    x = 305.94

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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.