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Finding the Fourth Proportional to 606.15, 836.33 and 344.16

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Solution

The fourth proportional to 606.15, 836.33 and 344.16 is: 474.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.15 : 836.33 = 344.16 : x
  2. Step 2: Convert to fraction form
    606.15/836.33 = 344.16/x
  3. Step 3: Cross multiply
    606.15x = 836.33 × 344.16
  4. Step 4: Simplify right side
    606.15x = 287,829.61
  5. Step 5: Solve for x
    x = 287,829.61/606.15
  6. Step 6: Final answer
    x = 474.85

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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.