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Finding the Fourth Proportional to 601.04, 829.42 and 339.04

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Solution

The fourth proportional to 601.04, 829.42 and 339.04 is: 467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.04 : 829.42 = 339.04 : x
  2. Step 2: Convert to fraction form
    601.04/829.42 = 339.04/x
  3. Step 3: Cross multiply
    601.04x = 829.42 × 339.04
  4. Step 4: Simplify right side
    601.04x = 281,206.56
  5. Step 5: Solve for x
    x = 281,206.56/601.04
  6. Step 6: Final answer
    x = 467.87

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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.