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Finding the Fourth Proportional to 617.22, 925.63 and 252.11

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Solution

The fourth proportional to 617.22, 925.63 and 252.11 is: 378.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.22 : 925.63 = 252.11 : x
  2. Step 2: Convert to fraction form
    617.22/925.63 = 252.11/x
  3. Step 3: Cross multiply
    617.22x = 925.63 × 252.11
  4. Step 4: Simplify right side
    617.22x = 233,362.26
  5. Step 5: Solve for x
    x = 233,362.26/617.22
  6. Step 6: Final answer
    x = 378.09

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Double scale
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1.5x scale

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.