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Finding the Fourth Proportional to 160.59, 221.58 and 95.10

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Solution

The fourth proportional to 160.59, 221.58 and 95.10 is: 131.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.59 : 221.58 = 95.10 : x
  2. Step 2: Convert to fraction form
    160.59/221.58 = 95.10/x
  3. Step 3: Cross multiply
    160.59x = 221.58 × 95.10
  4. Step 4: Simplify right side
    160.59x = 21,072.26
  5. Step 5: Solve for x
    x = 21,072.26/160.59
  6. Step 6: Final answer
    x = 131.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.