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Finding the Fourth Proportional to 617.71, 926.57 and 270.97

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Solution

The fourth proportional to 617.71, 926.57 and 270.97 is: 406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.71 : 926.57 = 270.97 : x
  2. Step 2: Convert to fraction form
    617.71/926.57 = 270.97/x
  3. Step 3: Cross multiply
    617.71x = 926.57 × 270.97
  4. Step 4: Simplify right side
    617.71x = 251,072.67
  5. Step 5: Solve for x
    x = 251,072.67/617.71
  6. Step 6: Final answer
    x = 406.46

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Double scale
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Similar ratio
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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.