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Finding the Fourth Proportional to 182.48, 273.74 and 148.53

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Solution

The fourth proportional to 182.48, 273.74 and 148.53 is: 222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.48 : 273.74 = 148.53 : x
  2. Step 2: Convert to fraction form
    182.48/273.74 = 148.53/x
  3. Step 3: Cross multiply
    182.48x = 273.74 × 148.53
  4. Step 4: Simplify right side
    182.48x = 40,658.60
  5. Step 5: Solve for x
    x = 40,658.60/182.48
  6. Step 6: Final answer
    x = 222.81

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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.