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Finding the Fourth Proportional to 454.53, 627.37 and 268.08

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Solution

The fourth proportional to 454.53, 627.37 and 268.08 is: 370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454.53 : 627.37 = 268.08 : x
  2. Step 2: Convert to fraction form
    454.53/627.37 = 268.08/x
  3. Step 3: Cross multiply
    454.53x = 627.37 × 268.08
  4. Step 4: Simplify right side
    454.53x = 168,185.35
  5. Step 5: Solve for x
    x = 168,185.35/454.53
  6. Step 6: Final answer
    x = 370.02

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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.