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Finding the Fourth Proportional to 604.28, 833.63 and 418.04

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Solution

The fourth proportional to 604.28, 833.63 and 418.04 is: 576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.28 : 833.63 = 418.04 : x
  2. Step 2: Convert to fraction form
    604.28/833.63 = 418.04/x
  3. Step 3: Cross multiply
    604.28x = 833.63 × 418.04
  4. Step 4: Simplify right side
    604.28x = 348,486.52
  5. Step 5: Solve for x
    x = 348,486.52/604.28
  6. Step 6: Final answer
    x = 576.70

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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.