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Finding the Fourth Proportional to 601.39, 829.92 and 325.39

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Solution

The fourth proportional to 601.39, 829.92 and 325.39 is: 449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.39 : 829.92 = 325.39 : x
  2. Step 2: Convert to fraction form
    601.39/829.92 = 325.39/x
  3. Step 3: Cross multiply
    601.39x = 829.92 × 325.39
  4. Step 4: Simplify right side
    601.39x = 270,048.70
  5. Step 5: Solve for x
    x = 270,048.70/601.39
  6. Step 6: Final answer
    x = 449.04

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Double scale
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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.