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Finding the Fourth Proportional to 537.69, 741.61 and 372.18

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Solution

The fourth proportional to 537.69, 741.61 and 372.18 is: 513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    537.69 : 741.61 = 372.18 : x
  2. Step 2: Convert to fraction form
    537.69/741.61 = 372.18/x
  3. Step 3: Cross multiply
    537.69x = 741.61 × 372.18
  4. Step 4: Simplify right side
    537.69x = 276,010.55
  5. Step 5: Solve for x
    x = 276,010.55/537.69
  6. Step 6: Final answer
    x = 513.33

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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.