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Finding the Fourth Proportional to 541.13, 746.92 and 370.80

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Solution

The fourth proportional to 541.13, 746.92 and 370.80 is: 511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.13 : 746.92 = 370.80 : x
  2. Step 2: Convert to fraction form
    541.13/746.92 = 370.80/x
  3. Step 3: Cross multiply
    541.13x = 746.92 × 370.80
  4. Step 4: Simplify right side
    541.13x = 276,960.50
  5. Step 5: Solve for x
    x = 276,960.50/541.13
  6. Step 6: Final answer
    x = 511.82

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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.