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Finding the Fourth Proportional to 293.30, 440.02 and 110.69

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Solution

The fourth proportional to 293.30, 440.02 and 110.69 is: 166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.30 : 440.02 = 110.69 : x
  2. Step 2: Convert to fraction form
    293.30/440.02 = 110.69/x
  3. Step 3: Cross multiply
    293.30x = 440.02 × 110.69
  4. Step 4: Simplify right side
    293.30x = 48,705.81
  5. Step 5: Solve for x
    x = 48,705.81/293.30
  6. Step 6: Final answer
    x = 166.06

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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.