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Finding the Fourth Proportional to 160.94, 241.16 and 102.98

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Solution

The fourth proportional to 160.94, 241.16 and 102.98 is: 154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.94 : 241.16 = 102.98 : x
  2. Step 2: Convert to fraction form
    160.94/241.16 = 102.98/x
  3. Step 3: Cross multiply
    160.94x = 241.16 × 102.98
  4. Step 4: Simplify right side
    160.94x = 24,834.66
  5. Step 5: Solve for x
    x = 24,834.66/160.94
  6. Step 6: Final answer
    x = 154.31

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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.