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Finding the Fourth Proportional to 605.98, 909.09 and 195.09

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Solution

The fourth proportional to 605.98, 909.09 and 195.09 is: 292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.98 : 909.09 = 195.09 : x
  2. Step 2: Convert to fraction form
    605.98/909.09 = 195.09/x
  3. Step 3: Cross multiply
    605.98x = 909.09 × 195.09
  4. Step 4: Simplify right side
    605.98x = 177,354.37
  5. Step 5: Solve for x
    x = 177,354.37/605.98
  6. Step 6: Final answer
    x = 292.67

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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.