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Finding the Fourth Proportional to 606.89, 837.45 and 344.85

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Solution

The fourth proportional to 606.89, 837.45 and 344.85 is: 475.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.89 : 837.45 = 344.85 : x
  2. Step 2: Convert to fraction form
    606.89/837.45 = 344.85/x
  3. Step 3: Cross multiply
    606.89x = 837.45 × 344.85
  4. Step 4: Simplify right side
    606.89x = 288,794.63
  5. Step 5: Solve for x
    x = 288,794.63/606.89
  6. Step 6: Final answer
    x = 475.86

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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.