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Finding the Fourth Proportional to 352.30, 482.54 and 332.36

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Solution

The fourth proportional to 352.30, 482.54 and 332.36 is: 455.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.30 : 482.54 = 332.36 : x
  2. Step 2: Convert to fraction form
    352.30/482.54 = 332.36/x
  3. Step 3: Cross multiply
    352.30x = 482.54 × 332.36
  4. Step 4: Simplify right side
    352.30x = 160,375.33
  5. Step 5: Solve for x
    x = 160,375.33/352.30
  6. Step 6: Final answer
    x = 455.22

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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.