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Finding the Fourth Proportional to 160.84, 241.30 and 69.55

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Solution

The fourth proportional to 160.84, 241.30 and 69.55 is: 104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.84 : 241.30 = 69.55 : x
  2. Step 2: Convert to fraction form
    160.84/241.30 = 69.55/x
  3. Step 3: Cross multiply
    160.84x = 241.30 × 69.55
  4. Step 4: Simplify right side
    160.84x = 16,782.77
  5. Step 5: Solve for x
    x = 16,782.77/160.84
  6. Step 6: Final answer
    x = 104.34

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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.