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Finding the Fourth Proportional to 183.35, 276.43 and 181.31

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Solution

The fourth proportional to 183.35, 276.43 and 181.31 is: 273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.35 : 276.43 = 181.31 : x
  2. Step 2: Convert to fraction form
    183.35/276.43 = 181.31/x
  3. Step 3: Cross multiply
    183.35x = 276.43 × 181.31
  4. Step 4: Simplify right side
    183.35x = 50,119.52
  5. Step 5: Solve for x
    x = 50,119.52/183.35
  6. Step 6: Final answer
    x = 273.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.