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Finding the Fourth Proportional to 110.95, 166.50 and 46.82

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Solution

The fourth proportional to 110.95, 166.50 and 46.82 is: 70.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.95 : 166.50 = 46.82 : x
  2. Step 2: Convert to fraction form
    110.95/166.50 = 46.82/x
  3. Step 3: Cross multiply
    110.95x = 166.50 × 46.82
  4. Step 4: Simplify right side
    110.95x = 7,795.95
  5. Step 5: Solve for x
    x = 7,795.95/110.95
  6. Step 6: Final answer
    x = 70.27

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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.