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Finding the Fourth Proportional to 606.96, 837.70 and 371.05

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Solution

The fourth proportional to 606.96, 837.70 and 371.05 is: 512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.96 : 837.70 = 371.05 : x
  2. Step 2: Convert to fraction form
    606.96/837.70 = 371.05/x
  3. Step 3: Cross multiply
    606.96x = 837.70 × 371.05
  4. Step 4: Simplify right side
    606.96x = 310,824.40
  5. Step 5: Solve for x
    x = 310,824.40/606.96
  6. Step 6: Final answer
    x = 512.10

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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.