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Finding the Fourth Proportional to 1,599.96, 2,400.99 and 573.96

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Solution

The fourth proportional to 1,599.96, 2,400.99 and 573.96 is: 861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.96 : 2,400.99 = 573.96 : x
  2. Step 2: Convert to fraction form
    1,599.96/2,400.99 = 573.96/x
  3. Step 3: Cross multiply
    1,599.96x = 2,400.99 × 573.96
  4. Step 4: Simplify right side
    1,599.96x = 1,378,072.22
  5. Step 5: Solve for x
    x = 1,378,072.22/1,599.96
  6. Step 6: Final answer
    x = 861.32

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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.