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Finding the Fourth Proportional to 160.07, 239.96 and 102.12

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Solution

The fourth proportional to 160.07, 239.96 and 102.12 is: 153.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.07 : 239.96 = 102.12 : x
  2. Step 2: Convert to fraction form
    160.07/239.96 = 102.12/x
  3. Step 3: Cross multiply
    160.07x = 239.96 × 102.12
  4. Step 4: Simplify right side
    160.07x = 24,504.20
  5. Step 5: Solve for x
    x = 24,504.20/160.07
  6. Step 6: Final answer
    x = 153.09

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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.