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Finding the Fourth Proportional to 181.02, 270.84 and 154.99

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Solution

The fourth proportional to 181.02, 270.84 and 154.99 is: 231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.02 : 270.84 = 154.99 : x
  2. Step 2: Convert to fraction form
    181.02/270.84 = 154.99/x
  3. Step 3: Cross multiply
    181.02x = 270.84 × 154.99
  4. Step 4: Simplify right side
    181.02x = 41,977.49
  5. Step 5: Solve for x
    x = 41,977.49/181.02
  6. Step 6: Final answer
    x = 231.89

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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.