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Finding the Fourth Proportional to 251.90, 375.93 and 224.57

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Solution

The fourth proportional to 251.90, 375.93 and 224.57 is: 335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.90 : 375.93 = 224.57 : x
  2. Step 2: Convert to fraction form
    251.90/375.93 = 224.57/x
  3. Step 3: Cross multiply
    251.90x = 375.93 × 224.57
  4. Step 4: Simplify right side
    251.90x = 84,422.60
  5. Step 5: Solve for x
    x = 84,422.60/251.90
  6. Step 6: Final answer
    x = 335.14

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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.