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Finding the Fourth Proportional to 469.63, 704.49 and 195.85

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Solution

The fourth proportional to 469.63, 704.49 and 195.85 is: 293.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.63 : 704.49 = 195.85 : x
  2. Step 2: Convert to fraction form
    469.63/704.49 = 195.85/x
  3. Step 3: Cross multiply
    469.63x = 704.49 × 195.85
  4. Step 4: Simplify right side
    469.63x = 137,974.37
  5. Step 5: Solve for x
    x = 137,974.37/469.63
  6. Step 6: Final answer
    x = 293.79

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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.