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Finding the Fourth Proportional to 164.24, 226.48 and 108.88

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Solution

The fourth proportional to 164.24, 226.48 and 108.88 is: 150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.24 : 226.48 = 108.88 : x
  2. Step 2: Convert to fraction form
    164.24/226.48 = 108.88/x
  3. Step 3: Cross multiply
    164.24x = 226.48 × 108.88
  4. Step 4: Simplify right side
    164.24x = 24,659.14
  5. Step 5: Solve for x
    x = 24,659.14/164.24
  6. Step 6: Final answer
    x = 150.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.