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Finding the Fourth Proportional to 358.71, 494.13 and 336.03

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Solution

The fourth proportional to 358.71, 494.13 and 336.03 is: 462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.71 : 494.13 = 336.03 : x
  2. Step 2: Convert to fraction form
    358.71/494.13 = 336.03/x
  3. Step 3: Cross multiply
    358.71x = 494.13 × 336.03
  4. Step 4: Simplify right side
    358.71x = 166,042.50
  5. Step 5: Solve for x
    x = 166,042.50/358.71
  6. Step 6: Final answer
    x = 462.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.