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Finding the Fourth Proportional to 160.60, 239.19 and 154.93

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Solution

The fourth proportional to 160.60, 239.19 and 154.93 is: 230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.60 : 239.19 = 154.93 : x
  2. Step 2: Convert to fraction form
    160.60/239.19 = 154.93/x
  3. Step 3: Cross multiply
    160.60x = 239.19 × 154.93
  4. Step 4: Simplify right side
    160.60x = 37,057.71
  5. Step 5: Solve for x
    x = 37,057.71/160.60
  6. Step 6: Final answer
    x = 230.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.