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Finding the Fourth Proportional to 1,084.07, 1,626.10 and 262.34

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Solution

The fourth proportional to 1,084.07, 1,626.10 and 262.34 is: 393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.07 : 1,626.10 = 262.34 : x
  2. Step 2: Convert to fraction form
    1,084.07/1,626.10 = 262.34/x
  3. Step 3: Cross multiply
    1,084.07x = 1,626.10 × 262.34
  4. Step 4: Simplify right side
    1,084.07x = 426,591.07
  5. Step 5: Solve for x
    x = 426,591.07/1,084.07
  6. Step 6: Final answer
    x = 393.51

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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.