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Finding the Fourth Proportional to 1,204.13, 1,813.14 and 898.13

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Solution

The fourth proportional to 1,204.13, 1,813.14 and 898.13 is: 1,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.13 : 1,813.14 = 898.13 : x
  2. Step 2: Convert to fraction form
    1,204.13/1,813.14 = 898.13/x
  3. Step 3: Cross multiply
    1,204.13x = 1,813.14 × 898.13
  4. Step 4: Simplify right side
    1,204.13x = 1,628,435.43
  5. Step 5: Solve for x
    x = 1,628,435.43/1,204.13
  6. Step 6: Final answer
    x = 1,352.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.