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Finding the Fourth Proportional to 471.41, 650.47 and 269.52

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Solution

The fourth proportional to 471.41, 650.47 and 269.52 is: 371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.41 : 650.47 = 269.52 : x
  2. Step 2: Convert to fraction form
    471.41/650.47 = 269.52/x
  3. Step 3: Cross multiply
    471.41x = 650.47 × 269.52
  4. Step 4: Simplify right side
    471.41x = 175,315.95
  5. Step 5: Solve for x
    x = 175,315.95/471.41
  6. Step 6: Final answer
    x = 371.90

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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.