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Finding the Fourth Proportional to 601.39, 829.92 and 352.71

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Solution

The fourth proportional to 601.39, 829.92 and 352.71 is: 486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.39 : 829.92 = 352.71 : x
  2. Step 2: Convert to fraction form
    601.39/829.92 = 352.71/x
  3. Step 3: Cross multiply
    601.39x = 829.92 × 352.71
  4. Step 4: Simplify right side
    601.39x = 292,723.16
  5. Step 5: Solve for x
    x = 292,723.16/601.39
  6. Step 6: Final answer
    x = 486.75

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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.