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Finding the Fourth Proportional to 170.00, 234.32 and 135.17

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Solution

The fourth proportional to 170.00, 234.32 and 135.17 is: 186.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.00 : 234.32 = 135.17 : x
  2. Step 2: Convert to fraction form
    170.00/234.32 = 135.17/x
  3. Step 3: Cross multiply
    170.00x = 234.32 × 135.17
  4. Step 4: Simplify right side
    170.00x = 31,671.19
  5. Step 5: Solve for x
    x = 31,671.19/170.00
  6. Step 6: Final answer
    x = 186.31

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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.