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Finding the Fourth Proportional to 541.75, 812.90 and 249.25

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Solution

The fourth proportional to 541.75, 812.90 and 249.25 is: 374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.75 : 812.90 = 249.25 : x
  2. Step 2: Convert to fraction form
    541.75/812.90 = 249.25/x
  3. Step 3: Cross multiply
    541.75x = 812.90 × 249.25
  4. Step 4: Simplify right side
    541.75x = 202,615.33
  5. Step 5: Solve for x
    x = 202,615.33/541.75
  6. Step 6: Final answer
    x = 374.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.