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Finding the Fourth Proportional to 237.06, 326.84 and 170.64

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Solution

The fourth proportional to 237.06, 326.84 and 170.64 is: 235.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.06 : 326.84 = 170.64 : x
  2. Step 2: Convert to fraction form
    237.06/326.84 = 170.64/x
  3. Step 3: Cross multiply
    237.06x = 326.84 × 170.64
  4. Step 4: Simplify right side
    237.06x = 55,771.98
  5. Step 5: Solve for x
    x = 55,771.98/237.06
  6. Step 6: Final answer
    x = 235.27

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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.