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Finding the Fourth Proportional to 541.53, 746.15 and 443.12

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Solution

The fourth proportional to 541.53, 746.15 and 443.12 is: 610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.53 : 746.15 = 443.12 : x
  2. Step 2: Convert to fraction form
    541.53/746.15 = 443.12/x
  3. Step 3: Cross multiply
    541.53x = 746.15 × 443.12
  4. Step 4: Simplify right side
    541.53x = 330,628.04
  5. Step 5: Solve for x
    x = 330,628.04/541.53
  6. Step 6: Final answer
    x = 610.54

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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.