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Finding the Fourth Proportional to 600.43, 900.15 and 418.18

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Solution

The fourth proportional to 600.43, 900.15 and 418.18 is: 626.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.43 : 900.15 = 418.18 : x
  2. Step 2: Convert to fraction form
    600.43/900.15 = 418.18/x
  3. Step 3: Cross multiply
    600.43x = 900.15 × 418.18
  4. Step 4: Simplify right side
    600.43x = 376,424.73
  5. Step 5: Solve for x
    x = 376,424.73/600.43
  6. Step 6: Final answer
    x = 626.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.