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Finding the Fourth Proportional to 376.99, 520.09 and 237.03

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Solution

The fourth proportional to 376.99, 520.09 and 237.03 is: 327.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.99 : 520.09 = 237.03 : x
  2. Step 2: Convert to fraction form
    376.99/520.09 = 237.03/x
  3. Step 3: Cross multiply
    376.99x = 520.09 × 237.03
  4. Step 4: Simplify right side
    376.99x = 123,274.39
  5. Step 5: Solve for x
    x = 123,274.39/376.99
  6. Step 6: Final answer
    x = 327.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.