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Finding the Fourth Proportional to 179.99, 248.29 and 114.51

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Solution

The fourth proportional to 179.99, 248.29 and 114.51 is: 157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.99 : 248.29 = 114.51 : x
  2. Step 2: Convert to fraction form
    179.99/248.29 = 114.51/x
  3. Step 3: Cross multiply
    179.99x = 248.29 × 114.51
  4. Step 4: Simplify right side
    179.99x = 28,431.69
  5. Step 5: Solve for x
    x = 28,431.69/179.99
  6. Step 6: Final answer
    x = 157.96

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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.