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Finding the Fourth Proportional to 512.29, 766.63 and 441.01

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Solution

The fourth proportional to 512.29, 766.63 and 441.01 is: 659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    512.29 : 766.63 = 441.01 : x
  2. Step 2: Convert to fraction form
    512.29/766.63 = 441.01/x
  3. Step 3: Cross multiply
    512.29x = 766.63 × 441.01
  4. Step 4: Simplify right side
    512.29x = 338,091.50
  5. Step 5: Solve for x
    x = 338,091.50/512.29
  6. Step 6: Final answer
    x = 659.96

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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.