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Finding the Fourth Proportional to 185.01, 277.43 and 107.99

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Solution

The fourth proportional to 185.01, 277.43 and 107.99 is: 161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.01 : 277.43 = 107.99 : x
  2. Step 2: Convert to fraction form
    185.01/277.43 = 107.99/x
  3. Step 3: Cross multiply
    185.01x = 277.43 × 107.99
  4. Step 4: Simplify right side
    185.01x = 29,960.30
  5. Step 5: Solve for x
    x = 29,960.30/185.01
  6. Step 6: Final answer
    x = 161.94

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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.