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Finding the Fourth Proportional to 601.37, 829.96 and 339.38

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Solution

The fourth proportional to 601.37, 829.96 and 339.38 is: 468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.37 : 829.96 = 339.38 : x
  2. Step 2: Convert to fraction form
    601.37/829.96 = 339.38/x
  3. Step 3: Cross multiply
    601.37x = 829.96 × 339.38
  4. Step 4: Simplify right side
    601.37x = 281,667.68
  5. Step 5: Solve for x
    x = 281,667.68/601.37
  6. Step 6: Final answer
    x = 468.38

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1.5x scale

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.