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Finding the Fourth Proportional to 609.37, 913.64 and 335.59

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Solution

The fourth proportional to 609.37, 913.64 and 335.59 is: 503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.37 : 913.64 = 335.59 : x
  2. Step 2: Convert to fraction form
    609.37/913.64 = 335.59/x
  3. Step 3: Cross multiply
    609.37x = 913.64 × 335.59
  4. Step 4: Simplify right side
    609.37x = 306,603.88
  5. Step 5: Solve for x
    x = 306,603.88/609.37
  6. Step 6: Final answer
    x = 503.15

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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.