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Finding the Fourth Proportional to 603.93, 833.34 and 338.34

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Solution

The fourth proportional to 603.93, 833.34 and 338.34 is: 466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.93 : 833.34 = 338.34 : x
  2. Step 2: Convert to fraction form
    603.93/833.34 = 338.34/x
  3. Step 3: Cross multiply
    603.93x = 833.34 × 338.34
  4. Step 4: Simplify right side
    603.93x = 281,952.26
  5. Step 5: Solve for x
    x = 281,952.26/603.93
  6. Step 6: Final answer
    x = 466.86

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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.