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Finding the Fourth Proportional to 265.53, 366.33 and 160.56

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Solution

The fourth proportional to 265.53, 366.33 and 160.56 is: 221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.53 : 366.33 = 160.56 : x
  2. Step 2: Convert to fraction form
    265.53/366.33 = 160.56/x
  3. Step 3: Cross multiply
    265.53x = 366.33 × 160.56
  4. Step 4: Simplify right side
    265.53x = 58,817.94
  5. Step 5: Solve for x
    x = 58,817.94/265.53
  6. Step 6: Final answer
    x = 221.51

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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.