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Finding the Fourth Proportional to 234.60, 352.22 and 162.28

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Solution

The fourth proportional to 234.60, 352.22 and 162.28 is: 243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.60 : 352.22 = 162.28 : x
  2. Step 2: Convert to fraction form
    234.60/352.22 = 162.28/x
  3. Step 3: Cross multiply
    234.60x = 352.22 × 162.28
  4. Step 4: Simplify right side
    234.60x = 57,158.26
  5. Step 5: Solve for x
    x = 57,158.26/234.60
  6. Step 6: Final answer
    x = 243.64

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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.