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Finding the Fourth Proportional to 372.70, 562.03 and 367.57

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Solution

The fourth proportional to 372.70, 562.03 and 367.57 is: 554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.70 : 562.03 = 367.57 : x
  2. Step 2: Convert to fraction form
    372.70/562.03 = 367.57/x
  3. Step 3: Cross multiply
    372.70x = 562.03 × 367.57
  4. Step 4: Simplify right side
    372.70x = 206,583.57
  5. Step 5: Solve for x
    x = 206,583.57/372.70
  6. Step 6: Final answer
    x = 554.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.