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Finding the Fourth Proportional to 371.25, 552.21 and 370.00

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Solution

The fourth proportional to 371.25, 552.21 and 370.00 is: 550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.25 : 552.21 = 370.00 : x
  2. Step 2: Convert to fraction form
    371.25/552.21 = 370.00/x
  3. Step 3: Cross multiply
    371.25x = 552.21 × 370.00
  4. Step 4: Simplify right side
    371.25x = 204,317.00
  5. Step 5: Solve for x
    x = 204,317.00/371.25
  6. Step 6: Final answer
    x = 550.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.