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Finding the Fourth Proportional to 183.33, 273.66 and 157.81

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Solution

The fourth proportional to 183.33, 273.66 and 157.81 is: 235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.33 : 273.66 = 157.81 : x
  2. Step 2: Convert to fraction form
    183.33/273.66 = 157.81/x
  3. Step 3: Cross multiply
    183.33x = 273.66 × 157.81
  4. Step 4: Simplify right side
    183.33x = 43,186.28
  5. Step 5: Solve for x
    x = 43,186.28/183.33
  6. Step 6: Final answer
    x = 235.57

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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.