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Finding the Fourth Proportional to 617.15, 925.38 and 184.25

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Solution

The fourth proportional to 617.15, 925.38 and 184.25 is: 276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.15 : 925.38 = 184.25 : x
  2. Step 2: Convert to fraction form
    617.15/925.38 = 184.25/x
  3. Step 3: Cross multiply
    617.15x = 925.38 × 184.25
  4. Step 4: Simplify right side
    617.15x = 170,496.64
  5. Step 5: Solve for x
    x = 170,496.64/617.15
  6. Step 6: Final answer
    x = 276.27

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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.