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Finding the Fourth Proportional to 671.93, 926.13 and 461.73

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Solution

The fourth proportional to 671.93, 926.13 and 461.73 is: 636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    671.93 : 926.13 = 461.73 : x
  2. Step 2: Convert to fraction form
    671.93/926.13 = 461.73/x
  3. Step 3: Cross multiply
    671.93x = 926.13 × 461.73
  4. Step 4: Simplify right side
    671.93x = 427,622.00
  5. Step 5: Solve for x
    x = 427,622.00/671.93
  6. Step 6: Final answer
    x = 636.41

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Double scale
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1.5x scale

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.