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Finding the Fourth Proportional to 351.82, 484.93 and 322.41

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Solution

The fourth proportional to 351.82, 484.93 and 322.41 is: 444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.82 : 484.93 = 322.41 : x
  2. Step 2: Convert to fraction form
    351.82/484.93 = 322.41/x
  3. Step 3: Cross multiply
    351.82x = 484.93 × 322.41
  4. Step 4: Simplify right side
    351.82x = 156,346.28
  5. Step 5: Solve for x
    x = 156,346.28/351.82
  6. Step 6: Final answer
    x = 444.39

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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.