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Finding the Fourth Proportional to 606.72, 836.81 and 370.49

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Solution

The fourth proportional to 606.72, 836.81 and 370.49 is: 510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.72 : 836.81 = 370.49 : x
  2. Step 2: Convert to fraction form
    606.72/836.81 = 370.49/x
  3. Step 3: Cross multiply
    606.72x = 836.81 × 370.49
  4. Step 4: Simplify right side
    606.72x = 310,023.70
  5. Step 5: Solve for x
    x = 310,023.70/606.72
  6. Step 6: Final answer
    x = 510.98

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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.