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Finding the Fourth Proportional to 372.34, 557.46 and 250.37

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Solution

The fourth proportional to 372.34, 557.46 and 250.37 is: 374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.34 : 557.46 = 250.37 : x
  2. Step 2: Convert to fraction form
    372.34/557.46 = 250.37/x
  3. Step 3: Cross multiply
    372.34x = 557.46 × 250.37
  4. Step 4: Simplify right side
    372.34x = 139,568.47
  5. Step 5: Solve for x
    x = 139,568.47/372.34
  6. Step 6: Final answer
    x = 374.84

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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.