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Finding the Fourth Proportional to 164.26, 245.94 and 118.36

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Solution

The fourth proportional to 164.26, 245.94 and 118.36 is: 177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.26 : 245.94 = 118.36 : x
  2. Step 2: Convert to fraction form
    164.26/245.94 = 118.36/x
  3. Step 3: Cross multiply
    164.26x = 245.94 × 118.36
  4. Step 4: Simplify right side
    164.26x = 29,109.46
  5. Step 5: Solve for x
    x = 29,109.46/164.26
  6. Step 6: Final answer
    x = 177.22

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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.