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Finding the Fourth Proportional to 374.56, 520.48 and 369.97

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Solution

The fourth proportional to 374.56, 520.48 and 369.97 is: 514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.56 : 520.48 = 369.97 : x
  2. Step 2: Convert to fraction form
    374.56/520.48 = 369.97/x
  3. Step 3: Cross multiply
    374.56x = 520.48 × 369.97
  4. Step 4: Simplify right side
    374.56x = 192,561.99
  5. Step 5: Solve for x
    x = 192,561.99/374.56
  6. Step 6: Final answer
    x = 514.10

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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.