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Finding the Fourth Proportional to 110.30, 164.98 and 94.20

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Solution

The fourth proportional to 110.30, 164.98 and 94.20 is: 140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.30 : 164.98 = 94.20 : x
  2. Step 2: Convert to fraction form
    110.30/164.98 = 94.20/x
  3. Step 3: Cross multiply
    110.30x = 164.98 × 94.20
  4. Step 4: Simplify right side
    110.30x = 15,541.12
  5. Step 5: Solve for x
    x = 15,541.12/110.30
  6. Step 6: Final answer
    x = 140.90

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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.