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Finding the Fourth Proportional to 441.58, 662.60 and 222.24

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Solution

The fourth proportional to 441.58, 662.60 and 222.24 is: 333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.58 : 662.60 = 222.24 : x
  2. Step 2: Convert to fraction form
    441.58/662.60 = 222.24/x
  3. Step 3: Cross multiply
    441.58x = 662.60 × 222.24
  4. Step 4: Simplify right side
    441.58x = 147,256.22
  5. Step 5: Solve for x
    x = 147,256.22/441.58
  6. Step 6: Final answer
    x = 333.48

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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.