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Finding the Fourth Proportional to 170.84, 255.63 and 102.41

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Solution

The fourth proportional to 170.84, 255.63 and 102.41 is: 153.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.84 : 255.63 = 102.41 : x
  2. Step 2: Convert to fraction form
    170.84/255.63 = 102.41/x
  3. Step 3: Cross multiply
    170.84x = 255.63 × 102.41
  4. Step 4: Simplify right side
    170.84x = 26,179.07
  5. Step 5: Solve for x
    x = 26,179.07/170.84
  6. Step 6: Final answer
    x = 153.24

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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.