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Finding the Fourth Proportional to 325.12, 483.59 and 324.09

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Solution

The fourth proportional to 325.12, 483.59 and 324.09 is: 482.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.12 : 483.59 = 324.09 : x
  2. Step 2: Convert to fraction form
    325.12/483.59 = 324.09/x
  3. Step 3: Cross multiply
    325.12x = 483.59 × 324.09
  4. Step 4: Simplify right side
    325.12x = 156,726.68
  5. Step 5: Solve for x
    x = 156,726.68/325.12
  6. Step 6: Final answer
    x = 482.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.