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Finding the Fourth Proportional to 1,097.12, 1,513.94 and 599.73

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Solution

The fourth proportional to 1,097.12, 1,513.94 and 599.73 is: 827.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097.12 : 1,513.94 = 599.73 : x
  2. Step 2: Convert to fraction form
    1,097.12/1,513.94 = 599.73/x
  3. Step 3: Cross multiply
    1,097.12x = 1,513.94 × 599.73
  4. Step 4: Simplify right side
    1,097.12x = 907,955.24
  5. Step 5: Solve for x
    x = 907,955.24/1,097.12
  6. Step 6: Final answer
    x = 827.58

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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.