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Finding the Fourth Proportional to 371.03, 555.53 and 366.57

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Solution

The fourth proportional to 371.03, 555.53 and 366.57 is: 548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.03 : 555.53 = 366.57 : x
  2. Step 2: Convert to fraction form
    371.03/555.53 = 366.57/x
  3. Step 3: Cross multiply
    371.03x = 555.53 × 366.57
  4. Step 4: Simplify right side
    371.03x = 203,638.80
  5. Step 5: Solve for x
    x = 203,638.80/371.03
  6. Step 6: Final answer
    x = 548.85

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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.