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Finding the Fourth Proportional to 362.78, 541.37 and 323.84

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Solution

The fourth proportional to 362.78, 541.37 and 323.84 is: 483.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.78 : 541.37 = 323.84 : x
  2. Step 2: Convert to fraction form
    362.78/541.37 = 323.84/x
  3. Step 3: Cross multiply
    362.78x = 541.37 × 323.84
  4. Step 4: Simplify right side
    362.78x = 175,317.99
  5. Step 5: Solve for x
    x = 175,317.99/362.78
  6. Step 6: Final answer
    x = 483.27

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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.