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Finding the Fourth Proportional to 170.40, 237.36 and 170.04

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Solution

The fourth proportional to 170.40, 237.36 and 170.04 is: 236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.40 : 237.36 = 170.04 : x
  2. Step 2: Convert to fraction form
    170.40/237.36 = 170.04/x
  3. Step 3: Cross multiply
    170.40x = 237.36 × 170.04
  4. Step 4: Simplify right side
    170.40x = 40,360.69
  5. Step 5: Solve for x
    x = 40,360.69/170.40
  6. Step 6: Final answer
    x = 236.86

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.