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Finding the Fourth Proportional to 160.14, 239.59 and 88.05

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Solution

The fourth proportional to 160.14, 239.59 and 88.05 is: 131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.14 : 239.59 = 88.05 : x
  2. Step 2: Convert to fraction form
    160.14/239.59 = 88.05/x
  3. Step 3: Cross multiply
    160.14x = 239.59 × 88.05
  4. Step 4: Simplify right side
    160.14x = 21,096.91
  5. Step 5: Solve for x
    x = 21,096.91/160.14
  6. Step 6: Final answer
    x = 131.74

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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.