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Finding the Fourth Proportional to 293.91, 405.34 and 200.51

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Solution

The fourth proportional to 293.91, 405.34 and 200.51 is: 276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.91 : 405.34 = 200.51 : x
  2. Step 2: Convert to fraction form
    293.91/405.34 = 200.51/x
  3. Step 3: Cross multiply
    293.91x = 405.34 × 200.51
  4. Step 4: Simplify right side
    293.91x = 81,274.72
  5. Step 5: Solve for x
    x = 81,274.72/293.91
  6. Step 6: Final answer
    x = 276.53

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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.