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Finding the Fourth Proportional to 264.78, 365.12 and 181.89

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Solution

The fourth proportional to 264.78, 365.12 and 181.89 is: 250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.78 : 365.12 = 181.89 : x
  2. Step 2: Convert to fraction form
    264.78/365.12 = 181.89/x
  3. Step 3: Cross multiply
    264.78x = 365.12 × 181.89
  4. Step 4: Simplify right side
    264.78x = 66,409.85
  5. Step 5: Solve for x
    x = 66,409.85/264.78
  6. Step 6: Final answer
    x = 250.82

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Why These Related Problems?

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