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Finding the Fourth Proportional to 604.16, 833.60 and 493.44

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Solution

The fourth proportional to 604.16, 833.60 and 493.44 is: 680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.16 : 833.60 = 493.44 : x
  2. Step 2: Convert to fraction form
    604.16/833.60 = 493.44/x
  3. Step 3: Cross multiply
    604.16x = 833.60 × 493.44
  4. Step 4: Simplify right side
    604.16x = 411,331.58
  5. Step 5: Solve for x
    x = 411,331.58/604.16
  6. Step 6: Final answer
    x = 680.83

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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.