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Finding the Fourth Proportional to 160.40, 241.02 and 137.33

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Solution

The fourth proportional to 160.40, 241.02 and 137.33 is: 206.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.40 : 241.02 = 137.33 : x
  2. Step 2: Convert to fraction form
    160.40/241.02 = 137.33/x
  3. Step 3: Cross multiply
    160.40x = 241.02 × 137.33
  4. Step 4: Simplify right side
    160.40x = 33,099.28
  5. Step 5: Solve for x
    x = 33,099.28/160.40
  6. Step 6: Final answer
    x = 206.35

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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.