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Finding the Fourth Proportional to 170.17, 235.91 and 160.93

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Solution

The fourth proportional to 170.17, 235.91 and 160.93 is: 223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.17 : 235.91 = 160.93 : x
  2. Step 2: Convert to fraction form
    170.17/235.91 = 160.93/x
  3. Step 3: Cross multiply
    170.17x = 235.91 × 160.93
  4. Step 4: Simplify right side
    170.17x = 37,963.01
  5. Step 5: Solve for x
    x = 37,963.01/170.17
  6. Step 6: Final answer
    x = 223.10

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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.