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Finding the Fourth Proportional to 293.50, 440.30 and 110.89

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Solution

The fourth proportional to 293.50, 440.30 and 110.89 is: 166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.50 : 440.30 = 110.89 : x
  2. Step 2: Convert to fraction form
    293.50/440.30 = 110.89/x
  3. Step 3: Cross multiply
    293.50x = 440.30 × 110.89
  4. Step 4: Simplify right side
    293.50x = 48,824.87
  5. Step 5: Solve for x
    x = 48,824.87/293.50
  6. Step 6: Final answer
    x = 166.35

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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.