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Finding the Fourth Proportional to 249.35, 375.44 and 181.31

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Solution

The fourth proportional to 249.35, 375.44 and 181.31 is: 272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.35 : 375.44 = 181.31 : x
  2. Step 2: Convert to fraction form
    249.35/375.44 = 181.31/x
  3. Step 3: Cross multiply
    249.35x = 375.44 × 181.31
  4. Step 4: Simplify right side
    249.35x = 68,068.24
  5. Step 5: Solve for x
    x = 68,068.24/249.35
  6. Step 6: Final answer
    x = 272.99

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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.