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Finding the Fourth Proportional to 351.22, 483.53 and 333.90

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Solution

The fourth proportional to 351.22, 483.53 and 333.90 is: 459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.22 : 483.53 = 333.90 : x
  2. Step 2: Convert to fraction form
    351.22/483.53 = 333.90/x
  3. Step 3: Cross multiply
    351.22x = 483.53 × 333.90
  4. Step 4: Simplify right side
    351.22x = 161,449.00
  5. Step 5: Solve for x
    x = 161,449.00/351.22
  6. Step 6: Final answer
    x = 459.69

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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.