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Finding the Fourth Proportional to 371.32, 554.56 and 294.37

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Solution

The fourth proportional to 371.32, 554.56 and 294.37 is: 439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.32 : 554.56 = 294.37 : x
  2. Step 2: Convert to fraction form
    371.32/554.56 = 294.37/x
  3. Step 3: Cross multiply
    371.32x = 554.56 × 294.37
  4. Step 4: Simplify right side
    371.32x = 163,245.36
  5. Step 5: Solve for x
    x = 163,245.36/371.32
  6. Step 6: Final answer
    x = 439.64

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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.