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Finding the Fourth Proportional to 601.08, 829.42 and 339.08

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Solution

The fourth proportional to 601.08, 829.42 and 339.08 is: 467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.08 : 829.42 = 339.08 : x
  2. Step 2: Convert to fraction form
    601.08/829.42 = 339.08/x
  3. Step 3: Cross multiply
    601.08x = 829.42 × 339.08
  4. Step 4: Simplify right side
    601.08x = 281,239.73
  5. Step 5: Solve for x
    x = 281,239.73/601.08
  6. Step 6: Final answer
    x = 467.89

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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.