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Finding the Fourth Proportional to 609.39, 846.92 and 602.91

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Solution

The fourth proportional to 609.39, 846.92 and 602.91 is: 837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    609.39 : 846.92 = 602.91 : x
  2. Step 2: Convert to fraction form
    609.39/846.92 = 602.91/x
  3. Step 3: Cross multiply
    609.39x = 846.92 × 602.91
  4. Step 4: Simplify right side
    609.39x = 510,618.04
  5. Step 5: Solve for x
    x = 510,618.04/609.39
  6. Step 6: Final answer
    x = 837.92

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.