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Finding the Fourth Proportional to 370.91, 512.38 and 337.66

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Solution

The fourth proportional to 370.91, 512.38 and 337.66 is: 466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.91 : 512.38 = 337.66 : x
  2. Step 2: Convert to fraction form
    370.91/512.38 = 337.66/x
  3. Step 3: Cross multiply
    370.91x = 512.38 × 337.66
  4. Step 4: Simplify right side
    370.91x = 173,010.23
  5. Step 5: Solve for x
    x = 173,010.23/370.91
  6. Step 6: Final answer
    x = 466.45

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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.