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Finding the Fourth Proportional to 375.44, 520.56 and 370.85

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Solution

The fourth proportional to 375.44, 520.56 and 370.85 is: 514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.44 : 520.56 = 370.85 : x
  2. Step 2: Convert to fraction form
    375.44/520.56 = 370.85/x
  3. Step 3: Cross multiply
    375.44x = 520.56 × 370.85
  4. Step 4: Simplify right side
    375.44x = 193,047.07
  5. Step 5: Solve for x
    x = 193,047.07/375.44
  6. Step 6: Final answer
    x = 514.20

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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.