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Finding the Fourth Proportional to 609.04, 912.84 and 335.12

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Solution

The fourth proportional to 609.04, 912.84 and 335.12 is: 502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.04 : 912.84 = 335.12 : x
  2. Step 2: Convert to fraction form
    609.04/912.84 = 335.12/x
  3. Step 3: Cross multiply
    609.04x = 912.84 × 335.12
  4. Step 4: Simplify right side
    609.04x = 305,910.94
  5. Step 5: Solve for x
    x = 305,910.94/609.04
  6. Step 6: Final answer
    x = 502.28

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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.