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Finding the Fourth Proportional to 327.60, 452.39 and 262.58

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Solution

The fourth proportional to 327.60, 452.39 and 262.58 is: 362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.60 : 452.39 = 262.58 : x
  2. Step 2: Convert to fraction form
    327.60/452.39 = 262.58/x
  3. Step 3: Cross multiply
    327.60x = 452.39 × 262.58
  4. Step 4: Simplify right side
    327.60x = 118,784.99
  5. Step 5: Solve for x
    x = 118,784.99/327.60
  6. Step 6: Final answer
    x = 362.59

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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.