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Finding the Fourth Proportional to 183.25, 273.12 and 172.99

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Solution

The fourth proportional to 183.25, 273.12 and 172.99 is: 257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.25 : 273.12 = 172.99 : x
  2. Step 2: Convert to fraction form
    183.25/273.12 = 172.99/x
  3. Step 3: Cross multiply
    183.25x = 273.12 × 172.99
  4. Step 4: Simplify right side
    183.25x = 47,247.03
  5. Step 5: Solve for x
    x = 47,247.03/183.25
  6. Step 6: Final answer
    x = 257.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.