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Finding the Fourth Proportional to 327.60, 491.25 and 236.01

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Solution

The fourth proportional to 327.60, 491.25 and 236.01 is: 353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.60 : 491.25 = 236.01 : x
  2. Step 2: Convert to fraction form
    327.60/491.25 = 236.01/x
  3. Step 3: Cross multiply
    327.60x = 491.25 × 236.01
  4. Step 4: Simplify right side
    327.60x = 115,939.91
  5. Step 5: Solve for x
    x = 115,939.91/327.60
  6. Step 6: Final answer
    x = 353.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.