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Finding the Fourth Proportional to 343.77, 474.08 and 233.37

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Solution

The fourth proportional to 343.77, 474.08 and 233.37 is: 321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    343.77 : 474.08 = 233.37 : x
  2. Step 2: Convert to fraction form
    343.77/474.08 = 233.37/x
  3. Step 3: Cross multiply
    343.77x = 474.08 × 233.37
  4. Step 4: Simplify right side
    343.77x = 110,634.88
  5. Step 5: Solve for x
    x = 110,634.88/343.77
  6. Step 6: Final answer
    x = 321.83

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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.