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Finding the Fourth Proportional to 110.46, 164.58 and 104.25

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Solution

The fourth proportional to 110.46, 164.58 and 104.25 is: 155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.46 : 164.58 = 104.25 : x
  2. Step 2: Convert to fraction form
    110.46/164.58 = 104.25/x
  3. Step 3: Cross multiply
    110.46x = 164.58 × 104.25
  4. Step 4: Simplify right side
    110.46x = 17,157.47
  5. Step 5: Solve for x
    x = 17,157.47/110.46
  6. Step 6: Final answer
    x = 155.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.