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Finding the Fourth Proportional to 441.63, 662.04 and 222.12

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Solution

The fourth proportional to 441.63, 662.04 and 222.12 is: 332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.63 : 662.04 = 222.12 : x
  2. Step 2: Convert to fraction form
    441.63/662.04 = 222.12/x
  3. Step 3: Cross multiply
    441.63x = 662.04 × 222.12
  4. Step 4: Simplify right side
    441.63x = 147,052.32
  5. Step 5: Solve for x
    x = 147,052.32/441.63
  6. Step 6: Final answer
    x = 332.98

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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.