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Finding the Fourth Proportional to 494.39, 741.89 and 336.44

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Solution

The fourth proportional to 494.39, 741.89 and 336.44 is: 504.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.39 : 741.89 = 336.44 : x
  2. Step 2: Convert to fraction form
    494.39/741.89 = 336.44/x
  3. Step 3: Cross multiply
    494.39x = 741.89 × 336.44
  4. Step 4: Simplify right side
    494.39x = 249,601.47
  5. Step 5: Solve for x
    x = 249,601.47/494.39
  6. Step 6: Final answer
    x = 504.87

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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.