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Finding the Fourth Proportional to 164.81, 247.41 and 110.00

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Solution

The fourth proportional to 164.81, 247.41 and 110.00 is: 165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.81 : 247.41 = 110.00 : x
  2. Step 2: Convert to fraction form
    164.81/247.41 = 110.00/x
  3. Step 3: Cross multiply
    164.81x = 247.41 × 110.00
  4. Step 4: Simplify right side
    164.81x = 27,213.86
  5. Step 5: Solve for x
    x = 27,213.86/164.81
  6. Step 6: Final answer
    x = 165.13

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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.