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Finding the Fourth Proportional to 334.95, 499.52 and 331.35

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Solution

The fourth proportional to 334.95, 499.52 and 331.35 is: 494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.95 : 499.52 = 331.35 : x
  2. Step 2: Convert to fraction form
    334.95/499.52 = 331.35/x
  3. Step 3: Cross multiply
    334.95x = 499.52 × 331.35
  4. Step 4: Simplify right side
    334.95x = 165,514.30
  5. Step 5: Solve for x
    x = 165,514.30/334.95
  6. Step 6: Final answer
    x = 494.15

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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.