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Finding the Fourth Proportional to 604.18, 837.15 and 591.22

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Solution

The fourth proportional to 604.18, 837.15 and 591.22 is: 819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.18 : 837.15 = 591.22 : x
  2. Step 2: Convert to fraction form
    604.18/837.15 = 591.22/x
  3. Step 3: Cross multiply
    604.18x = 837.15 × 591.22
  4. Step 4: Simplify right side
    604.18x = 494,939.82
  5. Step 5: Solve for x
    x = 494,939.82/604.18
  6. Step 6: Final answer
    x = 819.19

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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.