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Finding the Fourth Proportional to 600.56, 828.45 and 379.13

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Solution

The fourth proportional to 600.56, 828.45 and 379.13 is: 522.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.56 : 828.45 = 379.13 : x
  2. Step 2: Convert to fraction form
    600.56/828.45 = 379.13/x
  3. Step 3: Cross multiply
    600.56x = 828.45 × 379.13
  4. Step 4: Simplify right side
    600.56x = 314,086.11
  5. Step 5: Solve for x
    x = 314,086.11/600.56
  6. Step 6: Final answer
    x = 522.99

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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.