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Finding the Fourth Proportional to 265.14, 365.57 and 161.62

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Solution

The fourth proportional to 265.14, 365.57 and 161.62 is: 222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.14 : 365.57 = 161.62 : x
  2. Step 2: Convert to fraction form
    265.14/365.57 = 161.62/x
  3. Step 3: Cross multiply
    265.14x = 365.57 × 161.62
  4. Step 4: Simplify right side
    265.14x = 59,083.42
  5. Step 5: Solve for x
    x = 59,083.42/265.14
  6. Step 6: Final answer
    x = 222.84

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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.