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Finding the Fourth Proportional to 606.86, 910.26 and 195.99

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Solution

The fourth proportional to 606.86, 910.26 and 195.99 is: 293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.86 : 910.26 = 195.99 : x
  2. Step 2: Convert to fraction form
    606.86/910.26 = 195.99/x
  3. Step 3: Cross multiply
    606.86x = 910.26 × 195.99
  4. Step 4: Simplify right side
    606.86x = 178,401.86
  5. Step 5: Solve for x
    x = 178,401.86/606.86
  6. Step 6: Final answer
    x = 293.98

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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.