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Finding the Fourth Proportional to 183.65, 274.60 and 158.27

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Solution

The fourth proportional to 183.65, 274.60 and 158.27 is: 236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.65 : 274.60 = 158.27 : x
  2. Step 2: Convert to fraction form
    183.65/274.60 = 158.27/x
  3. Step 3: Cross multiply
    183.65x = 274.60 × 158.27
  4. Step 4: Simplify right side
    183.65x = 43,460.94
  5. Step 5: Solve for x
    x = 43,460.94/183.65
  6. Step 6: Final answer
    x = 236.65

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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.