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Finding the Fourth Proportional to 181.37, 249.86 and 148.43

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Solution

The fourth proportional to 181.37, 249.86 and 148.43 is: 204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.37 : 249.86 = 148.43 : x
  2. Step 2: Convert to fraction form
    181.37/249.86 = 148.43/x
  3. Step 3: Cross multiply
    181.37x = 249.86 × 148.43
  4. Step 4: Simplify right side
    181.37x = 37,085.47
  5. Step 5: Solve for x
    x = 37,085.47/181.37
  6. Step 6: Final answer
    x = 204.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.