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Finding the Fourth Proportional to 327.66, 452.27 and 187.86

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Solution

The fourth proportional to 327.66, 452.27 and 187.86 is: 259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327.66 : 452.27 = 187.86 : x
  2. Step 2: Convert to fraction form
    327.66/452.27 = 187.86/x
  3. Step 3: Cross multiply
    327.66x = 452.27 × 187.86
  4. Step 4: Simplify right side
    327.66x = 84,962.50
  5. Step 5: Solve for x
    x = 84,962.50/327.66
  6. Step 6: Final answer
    x = 259.30

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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.