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Finding the Fourth Proportional to 1,084.35, 1,626.69 and 468.23

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Solution

The fourth proportional to 1,084.35, 1,626.69 and 468.23 is: 702.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084.35 : 1,626.69 = 468.23 : x
  2. Step 2: Convert to fraction form
    1,084.35/1,626.69 = 468.23/x
  3. Step 3: Cross multiply
    1,084.35x = 1,626.69 × 468.23
  4. Step 4: Simplify right side
    1,084.35x = 761,656.93
  5. Step 5: Solve for x
    x = 761,656.93/1,084.35
  6. Step 6: Final answer
    x = 702.41

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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.