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Finding the Fourth Proportional to 192.07, 264.99 and 114.43

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Solution

The fourth proportional to 192.07, 264.99 and 114.43 is: 157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.07 : 264.99 = 114.43 : x
  2. Step 2: Convert to fraction form
    192.07/264.99 = 114.43/x
  3. Step 3: Cross multiply
    192.07x = 264.99 × 114.43
  4. Step 4: Simplify right side
    192.07x = 30,322.81
  5. Step 5: Solve for x
    x = 30,322.81/192.07
  6. Step 6: Final answer
    x = 157.87

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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.