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Finding the Fourth Proportional to 351.58, 483.71 and 343.37

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Solution

The fourth proportional to 351.58, 483.71 and 343.37 is: 472.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.58 : 483.71 = 343.37 : x
  2. Step 2: Convert to fraction form
    351.58/483.71 = 343.37/x
  3. Step 3: Cross multiply
    351.58x = 483.71 × 343.37
  4. Step 4: Simplify right side
    351.58x = 166,089.79
  5. Step 5: Solve for x
    x = 166,089.79/351.58
  6. Step 6: Final answer
    x = 472.42

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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.