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Finding the Fourth Proportional to 334.82, 499.06 and 308.36

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Solution

The fourth proportional to 334.82, 499.06 and 308.36 is: 459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.82 : 499.06 = 308.36 : x
  2. Step 2: Convert to fraction form
    334.82/499.06 = 308.36/x
  3. Step 3: Cross multiply
    334.82x = 499.06 × 308.36
  4. Step 4: Simplify right side
    334.82x = 153,890.14
  5. Step 5: Solve for x
    x = 153,890.14/334.82
  6. Step 6: Final answer
    x = 459.62

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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.