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Finding the Fourth Proportional to 400.53, 552.99 and 327.03

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Solution

The fourth proportional to 400.53, 552.99 and 327.03 is: 451.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.53 : 552.99 = 327.03 : x
  2. Step 2: Convert to fraction form
    400.53/552.99 = 327.03/x
  3. Step 3: Cross multiply
    400.53x = 552.99 × 327.03
  4. Step 4: Simplify right side
    400.53x = 180,844.32
  5. Step 5: Solve for x
    x = 180,844.32/400.53
  6. Step 6: Final answer
    x = 451.51

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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.