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Finding the Fourth Proportional to 375.14, 520.50 and 371.36

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Solution

The fourth proportional to 375.14, 520.50 and 371.36 is: 515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.14 : 520.50 = 371.36 : x
  2. Step 2: Convert to fraction form
    375.14/520.50 = 371.36/x
  3. Step 3: Cross multiply
    375.14x = 520.50 × 371.36
  4. Step 4: Simplify right side
    375.14x = 193,292.88
  5. Step 5: Solve for x
    x = 193,292.88/375.14
  6. Step 6: Final answer
    x = 515.26

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.