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Finding the Fourth Proportional to 264.90, 396.93 and 234.12

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Solution

The fourth proportional to 264.90, 396.93 and 234.12 is: 350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.90 : 396.93 = 234.12 : x
  2. Step 2: Convert to fraction form
    264.90/396.93 = 234.12/x
  3. Step 3: Cross multiply
    264.90x = 396.93 × 234.12
  4. Step 4: Simplify right side
    264.90x = 92,929.25
  5. Step 5: Solve for x
    x = 92,929.25/264.90
  6. Step 6: Final answer
    x = 350.81

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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.