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Finding the Fourth Proportional to 372.68, 555.82 and 360.54

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Solution

The fourth proportional to 372.68, 555.82 and 360.54 is: 537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.68 : 555.82 = 360.54 : x
  2. Step 2: Convert to fraction form
    372.68/555.82 = 360.54/x
  3. Step 3: Cross multiply
    372.68x = 555.82 × 360.54
  4. Step 4: Simplify right side
    372.68x = 200,395.34
  5. Step 5: Solve for x
    x = 200,395.34/372.68
  6. Step 6: Final answer
    x = 537.71

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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.