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Finding the Fourth Proportional to 183.18, 273.51 and 157.53

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Solution

The fourth proportional to 183.18, 273.51 and 157.53 is: 235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.18 : 273.51 = 157.53 : x
  2. Step 2: Convert to fraction form
    183.18/273.51 = 157.53/x
  3. Step 3: Cross multiply
    183.18x = 273.51 × 157.53
  4. Step 4: Simplify right side
    183.18x = 43,086.03
  5. Step 5: Solve for x
    x = 43,086.03/183.18
  6. Step 6: Final answer
    x = 235.21

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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.