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Finding the Fourth Proportional to 362.26, 543.33 and 188.83

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Solution

The fourth proportional to 362.26, 543.33 and 188.83 is: 283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.26 : 543.33 = 188.83 : x
  2. Step 2: Convert to fraction form
    362.26/543.33 = 188.83/x
  3. Step 3: Cross multiply
    362.26x = 543.33 × 188.83
  4. Step 4: Simplify right side
    362.26x = 102,597.00
  5. Step 5: Solve for x
    x = 102,597.00/362.26
  6. Step 6: Final answer
    x = 283.21

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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.