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Finding the Fourth Proportional to 372.07, 561.11 and 336.97

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Solution

The fourth proportional to 372.07, 561.11 and 336.97 is: 508.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.07 : 561.11 = 336.97 : x
  2. Step 2: Convert to fraction form
    372.07/561.11 = 336.97/x
  3. Step 3: Cross multiply
    372.07x = 561.11 × 336.97
  4. Step 4: Simplify right side
    372.07x = 189,077.24
  5. Step 5: Solve for x
    x = 189,077.24/372.07
  6. Step 6: Final answer
    x = 508.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.