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Finding the Fourth Proportional to 610.92, 843.41 and 374.93

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Solution

The fourth proportional to 610.92, 843.41 and 374.93 is: 517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.92 : 843.41 = 374.93 : x
  2. Step 2: Convert to fraction form
    610.92/843.41 = 374.93/x
  3. Step 3: Cross multiply
    610.92x = 843.41 × 374.93
  4. Step 4: Simplify right side
    610.92x = 316,213.62
  5. Step 5: Solve for x
    x = 316,213.62/610.92
  6. Step 6: Final answer
    x = 517.60

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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.