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Finding the Fourth Proportional to 222.84, 334.44 and 107.37

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Solution

The fourth proportional to 222.84, 334.44 and 107.37 is: 161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.84 : 334.44 = 107.37 : x
  2. Step 2: Convert to fraction form
    222.84/334.44 = 107.37/x
  3. Step 3: Cross multiply
    222.84x = 334.44 × 107.37
  4. Step 4: Simplify right side
    222.84x = 35,908.82
  5. Step 5: Solve for x
    x = 35,908.82/222.84
  6. Step 6: Final answer
    x = 161.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.