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Finding the Fourth Proportional to 609.17, 913.75 and 335.18

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Solution

The fourth proportional to 609.17, 913.75 and 335.18 is: 502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.17 : 913.75 = 335.18 : x
  2. Step 2: Convert to fraction form
    609.17/913.75 = 335.18/x
  3. Step 3: Cross multiply
    609.17x = 913.75 × 335.18
  4. Step 4: Simplify right side
    609.17x = 306,272.17
  5. Step 5: Solve for x
    x = 306,272.17/609.17
  6. Step 6: Final answer
    x = 502.77

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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.