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Finding the Fourth Proportional to 617.23, 925.97 and 252.02

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Solution

The fourth proportional to 617.23, 925.97 and 252.02 is: 378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.23 : 925.97 = 252.02 : x
  2. Step 2: Convert to fraction form
    617.23/925.97 = 252.02/x
  3. Step 3: Cross multiply
    617.23x = 925.97 × 252.02
  4. Step 4: Simplify right side
    617.23x = 233,361.32
  5. Step 5: Solve for x
    x = 233,361.32/617.23
  6. Step 6: Final answer
    x = 378.08

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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.