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Finding the Fourth Proportional to 170.04, 234.45 and 149.34

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Solution

The fourth proportional to 170.04, 234.45 and 149.34 is: 205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.04 : 234.45 = 149.34 : x
  2. Step 2: Convert to fraction form
    170.04/234.45 = 149.34/x
  3. Step 3: Cross multiply
    170.04x = 234.45 × 149.34
  4. Step 4: Simplify right side
    170.04x = 35,012.76
  5. Step 5: Solve for x
    x = 35,012.76/170.04
  6. Step 6: Final answer
    x = 205.91

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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.