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Finding the Fourth Proportional to 181.48, 272.04 and 164.04

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Solution

The fourth proportional to 181.48, 272.04 and 164.04 is: 245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.48 : 272.04 = 164.04 : x
  2. Step 2: Convert to fraction form
    181.48/272.04 = 164.04/x
  3. Step 3: Cross multiply
    181.48x = 272.04 × 164.04
  4. Step 4: Simplify right side
    181.48x = 44,625.44
  5. Step 5: Solve for x
    x = 44,625.44/181.48
  6. Step 6: Final answer
    x = 245.90

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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.