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Finding the Fourth Proportional to 1,599.26, 2,396.34 and 624.80

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Solution

The fourth proportional to 1,599.26, 2,396.34 and 624.80 is: 936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.26 : 2,396.34 = 624.80 : x
  2. Step 2: Convert to fraction form
    1,599.26/2,396.34 = 624.80/x
  3. Step 3: Cross multiply
    1,599.26x = 2,396.34 × 624.80
  4. Step 4: Simplify right side
    1,599.26x = 1,497,233.23
  5. Step 5: Solve for x
    x = 1,497,233.23/1,599.26
  6. Step 6: Final answer
    x = 936.20

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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.