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Finding the Fourth Proportional to 358.82, 540.43 and 333.47

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Solution

The fourth proportional to 358.82, 540.43 and 333.47 is: 502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.82 : 540.43 = 333.47 : x
  2. Step 2: Convert to fraction form
    358.82/540.43 = 333.47/x
  3. Step 3: Cross multiply
    358.82x = 540.43 × 333.47
  4. Step 4: Simplify right side
    358.82x = 180,217.19
  5. Step 5: Solve for x
    x = 180,217.19/358.82
  6. Step 6: Final answer
    x = 502.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.