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Finding the Fourth Proportional to 182.84, 274.30 and 109.85

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Solution

The fourth proportional to 182.84, 274.30 and 109.85 is: 164.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.84 : 274.30 = 109.85 : x
  2. Step 2: Convert to fraction form
    182.84/274.30 = 109.85/x
  3. Step 3: Cross multiply
    182.84x = 274.30 × 109.85
  4. Step 4: Simplify right side
    182.84x = 30,130.21
  5. Step 5: Solve for x
    x = 30,130.21/182.84
  6. Step 6: Final answer
    x = 164.79

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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.