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Finding the Fourth Proportional to 352.88, 529.44 and 222.73

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Solution

The fourth proportional to 352.88, 529.44 and 222.73 is: 334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.88 : 529.44 = 222.73 : x
  2. Step 2: Convert to fraction form
    352.88/529.44 = 222.73/x
  3. Step 3: Cross multiply
    352.88x = 529.44 × 222.73
  4. Step 4: Simplify right side
    352.88x = 117,922.17
  5. Step 5: Solve for x
    x = 117,922.17/352.88
  6. Step 6: Final answer
    x = 334.17

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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.