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Finding the Fourth Proportional to 350.35, 520.94 and 335.77

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Solution

The fourth proportional to 350.35, 520.94 and 335.77 is: 499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.35 : 520.94 = 335.77 : x
  2. Step 2: Convert to fraction form
    350.35/520.94 = 335.77/x
  3. Step 3: Cross multiply
    350.35x = 520.94 × 335.77
  4. Step 4: Simplify right side
    350.35x = 174,915.56
  5. Step 5: Solve for x
    x = 174,915.56/350.35
  6. Step 6: Final answer
    x = 499.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.