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Finding the Fourth Proportional to 294.23, 406.37 and 200.81

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Solution

The fourth proportional to 294.23, 406.37 and 200.81 is: 277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.23 : 406.37 = 200.81 : x
  2. Step 2: Convert to fraction form
    294.23/406.37 = 200.81/x
  3. Step 3: Cross multiply
    294.23x = 406.37 × 200.81
  4. Step 4: Simplify right side
    294.23x = 81,603.17
  5. Step 5: Solve for x
    x = 81,603.17/294.23
  6. Step 6: Final answer
    x = 277.35

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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.