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Finding the Fourth Proportional to 606.18, 837.10 and 518.34

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Solution

The fourth proportional to 606.18, 837.10 and 518.34 is: 715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.18 : 837.10 = 518.34 : x
  2. Step 2: Convert to fraction form
    606.18/837.10 = 518.34/x
  3. Step 3: Cross multiply
    606.18x = 837.10 × 518.34
  4. Step 4: Simplify right side
    606.18x = 433,902.41
  5. Step 5: Solve for x
    x = 433,902.41/606.18
  6. Step 6: Final answer
    x = 715.80

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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.