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Finding the Fourth Proportional to 189.00, 282.73 and 163.60

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Solution

The fourth proportional to 189.00, 282.73 and 163.60 is: 244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189.00 : 282.73 = 163.60 : x
  2. Step 2: Convert to fraction form
    189.00/282.73 = 163.60/x
  3. Step 3: Cross multiply
    189.00x = 282.73 × 163.60
  4. Step 4: Simplify right side
    189.00x = 46,253.21
  5. Step 5: Solve for x
    x = 46,253.21/189.00
  6. Step 6: Final answer
    x = 244.73

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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.