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Finding the Fourth Proportional to 606.39, 842.75 and 599.91

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Solution

The fourth proportional to 606.39, 842.75 and 599.91 is: 833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.39 : 842.75 = 599.91 : x
  2. Step 2: Convert to fraction form
    606.39/842.75 = 599.91/x
  3. Step 3: Cross multiply
    606.39x = 842.75 × 599.91
  4. Step 4: Simplify right side
    606.39x = 505,571.15
  5. Step 5: Solve for x
    x = 505,571.15/606.39
  6. Step 6: Final answer
    x = 833.74

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.