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Finding the Fourth Proportional to 1,084.39, 1,496.48 and 612.27

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Solution

The fourth proportional to 1,084.39, 1,496.48 and 612.27 is: 844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.39 : 1,496.48 = 612.27 : x
  2. Step 2: Convert to fraction form
    1,084.39/1,496.48 = 612.27/x
  3. Step 3: Cross multiply
    1,084.39x = 1,496.48 × 612.27
  4. Step 4: Simplify right side
    1,084.39x = 916,246.75
  5. Step 5: Solve for x
    x = 916,246.75/1,084.39
  6. Step 6: Final answer
    x = 844.94

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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.