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Finding the Fourth Proportional to 375.56, 521.87 and 370.97

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Solution

The fourth proportional to 375.56, 521.87 and 370.97 is: 515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.56 : 521.87 = 370.97 : x
  2. Step 2: Convert to fraction form
    375.56/521.87 = 370.97/x
  3. Step 3: Cross multiply
    375.56x = 521.87 × 370.97
  4. Step 4: Simplify right side
    375.56x = 193,598.11
  5. Step 5: Solve for x
    x = 193,598.11/375.56
  6. Step 6: Final answer
    x = 515.49

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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.