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Finding the Fourth Proportional to 471.17, 650.17 and 294.39

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Solution

The fourth proportional to 471.17, 650.17 and 294.39 is: 406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    471.17 : 650.17 = 294.39 : x
  2. Step 2: Convert to fraction form
    471.17/650.17 = 294.39/x
  3. Step 3: Cross multiply
    471.17x = 650.17 × 294.39
  4. Step 4: Simplify right side
    471.17x = 191,403.91
  5. Step 5: Solve for x
    x = 191,403.91/471.17
  6. Step 6: Final answer
    x = 406.23

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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.