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Finding the Fourth Proportional to 511.09, 766.08 and 250.94

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Solution

The fourth proportional to 511.09, 766.08 and 250.94 is: 376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.09 : 766.08 = 250.94 : x
  2. Step 2: Convert to fraction form
    511.09/766.08 = 250.94/x
  3. Step 3: Cross multiply
    511.09x = 766.08 × 250.94
  4. Step 4: Simplify right side
    511.09x = 192,240.12
  5. Step 5: Solve for x
    x = 192,240.12/511.09
  6. Step 6: Final answer
    x = 376.14

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Double scale
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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.