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Finding the Fourth Proportional to 511.50, 768.46 and 295.23

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Solution

The fourth proportional to 511.50, 768.46 and 295.23 is: 443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.50 : 768.46 = 295.23 : x
  2. Step 2: Convert to fraction form
    511.50/768.46 = 295.23/x
  3. Step 3: Cross multiply
    511.50x = 768.46 × 295.23
  4. Step 4: Simplify right side
    511.50x = 226,872.45
  5. Step 5: Solve for x
    x = 226,872.45/511.50
  6. Step 6: Final answer
    x = 443.54

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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.