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Finding the Fourth Proportional to 352.35, 481.75 and 342.63

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Solution

The fourth proportional to 352.35, 481.75 and 342.63 is: 468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.35 : 481.75 = 342.63 : x
  2. Step 2: Convert to fraction form
    352.35/481.75 = 342.63/x
  3. Step 3: Cross multiply
    352.35x = 481.75 × 342.63
  4. Step 4: Simplify right side
    352.35x = 165,061.15
  5. Step 5: Solve for x
    x = 165,061.15/352.35
  6. Step 6: Final answer
    x = 468.46

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.