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Finding the Fourth Proportional to 453.54, 627.17 and 367.68

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Solution

The fourth proportional to 453.54, 627.17 and 367.68 is: 508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.54 : 627.17 = 367.68 : x
  2. Step 2: Convert to fraction form
    453.54/627.17 = 367.68/x
  3. Step 3: Cross multiply
    453.54x = 627.17 × 367.68
  4. Step 4: Simplify right side
    453.54x = 230,596.03
  5. Step 5: Solve for x
    x = 230,596.03/453.54
  6. Step 6: Final answer
    x = 508.44

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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.