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Finding the Fourth Proportional to 371.08, 555.81 and 363.70

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Solution

The fourth proportional to 371.08, 555.81 and 363.70 is: 544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.08 : 555.81 = 363.70 : x
  2. Step 2: Convert to fraction form
    371.08/555.81 = 363.70/x
  3. Step 3: Cross multiply
    371.08x = 555.81 × 363.70
  4. Step 4: Simplify right side
    371.08x = 202,148.10
  5. Step 5: Solve for x
    x = 202,148.10/371.08
  6. Step 6: Final answer
    x = 544.76

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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.