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Finding the Fourth Proportional to 183.91, 277.09 and 166.58

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Solution

The fourth proportional to 183.91, 277.09 and 166.58 is: 250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.91 : 277.09 = 166.58 : x
  2. Step 2: Convert to fraction form
    183.91/277.09 = 166.58/x
  3. Step 3: Cross multiply
    183.91x = 277.09 × 166.58
  4. Step 4: Simplify right side
    183.91x = 46,157.65
  5. Step 5: Solve for x
    x = 46,157.65/183.91
  6. Step 6: Final answer
    x = 250.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.