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Finding the Fourth Proportional to 371.94, 555.24 and 323.34

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Solution

The fourth proportional to 371.94, 555.24 and 323.34 is: 482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.94 : 555.24 = 323.34 : x
  2. Step 2: Convert to fraction form
    371.94/555.24 = 323.34/x
  3. Step 3: Cross multiply
    371.94x = 555.24 × 323.34
  4. Step 4: Simplify right side
    371.94x = 179,531.30
  5. Step 5: Solve for x
    x = 179,531.30/371.94
  6. Step 6: Final answer
    x = 482.69

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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.