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Finding the Fourth Proportional to 290.44, 437.29 and 250.75

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Solution

The fourth proportional to 290.44, 437.29 and 250.75 is: 377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    290.44 : 437.29 = 250.75 : x
  2. Step 2: Convert to fraction form
    290.44/437.29 = 250.75/x
  3. Step 3: Cross multiply
    290.44x = 437.29 × 250.75
  4. Step 4: Simplify right side
    290.44x = 109,650.47
  5. Step 5: Solve for x
    x = 109,650.47/290.44
  6. Step 6: Final answer
    x = 377.53

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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.