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Finding the Fourth Proportional to 333.96, 458.81 and 299.44

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Solution

The fourth proportional to 333.96, 458.81 and 299.44 is: 411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.96 : 458.81 = 299.44 : x
  2. Step 2: Convert to fraction form
    333.96/458.81 = 299.44/x
  3. Step 3: Cross multiply
    333.96x = 458.81 × 299.44
  4. Step 4: Simplify right side
    333.96x = 137,386.07
  5. Step 5: Solve for x
    x = 137,386.07/333.96
  6. Step 6: Final answer
    x = 411.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.