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Finding the Fourth Proportional to 344.32, 475.26 and 213.37

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Solution

The fourth proportional to 344.32, 475.26 and 213.37 is: 294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.32 : 475.26 = 213.37 : x
  2. Step 2: Convert to fraction form
    344.32/475.26 = 213.37/x
  3. Step 3: Cross multiply
    344.32x = 475.26 × 213.37
  4. Step 4: Simplify right side
    344.32x = 101,403.85
  5. Step 5: Solve for x
    x = 101,403.85/344.32
  6. Step 6: Final answer
    x = 294.51

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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.