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Finding the Fourth Proportional to 604.88, 832.92 and 517.36

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Solution

The fourth proportional to 604.88, 832.92 and 517.36 is: 712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.88 : 832.92 = 517.36 : x
  2. Step 2: Convert to fraction form
    604.88/832.92 = 517.36/x
  3. Step 3: Cross multiply
    604.88x = 832.92 × 517.36
  4. Step 4: Simplify right side
    604.88x = 430,919.49
  5. Step 5: Solve for x
    x = 430,919.49/604.88
  6. Step 6: Final answer
    x = 712.40

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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.