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Finding the Fourth Proportional to 182.33, 273.60 and 145.55

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Solution

The fourth proportional to 182.33, 273.60 and 145.55 is: 218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.33 : 273.60 = 145.55 : x
  2. Step 2: Convert to fraction form
    182.33/273.60 = 145.55/x
  3. Step 3: Cross multiply
    182.33x = 273.60 × 145.55
  4. Step 4: Simplify right side
    182.33x = 39,822.48
  5. Step 5: Solve for x
    x = 39,822.48/182.33
  6. Step 6: Final answer
    x = 218.41

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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.