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Finding the Fourth Proportional to 346.55, 481.44 and 343.37

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Solution

The fourth proportional to 346.55, 481.44 and 343.37 is: 477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.55 : 481.44 = 343.37 : x
  2. Step 2: Convert to fraction form
    346.55/481.44 = 343.37/x
  3. Step 3: Cross multiply
    346.55x = 481.44 × 343.37
  4. Step 4: Simplify right side
    346.55x = 165,314.54
  5. Step 5: Solve for x
    x = 165,314.54/346.55
  6. Step 6: Final answer
    x = 477.04

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.