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Finding the Fourth Proportional to 469.82, 704.44 and 196.10

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Solution

The fourth proportional to 469.82, 704.44 and 196.10 is: 294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.82 : 704.44 = 196.10 : x
  2. Step 2: Convert to fraction form
    469.82/704.44 = 196.10/x
  3. Step 3: Cross multiply
    469.82x = 704.44 × 196.10
  4. Step 4: Simplify right side
    469.82x = 138,140.68
  5. Step 5: Solve for x
    x = 138,140.68/469.82
  6. Step 6: Final answer
    x = 294.03

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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.