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Finding the Fourth Proportional to 496.55, 744.21 and 222.32

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Solution

The fourth proportional to 496.55, 744.21 and 222.32 is: 333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.55 : 744.21 = 222.32 : x
  2. Step 2: Convert to fraction form
    496.55/744.21 = 222.32/x
  3. Step 3: Cross multiply
    496.55x = 744.21 × 222.32
  4. Step 4: Simplify right side
    496.55x = 165,454.63
  5. Step 5: Solve for x
    x = 165,454.63/496.55
  6. Step 6: Final answer
    x = 333.21

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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.