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Finding the Fourth Proportional to 265.41, 366.53 and 222.21

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Solution

The fourth proportional to 265.41, 366.53 and 222.21 is: 306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.41 : 366.53 = 222.21 : x
  2. Step 2: Convert to fraction form
    265.41/366.53 = 222.21/x
  3. Step 3: Cross multiply
    265.41x = 366.53 × 222.21
  4. Step 4: Simplify right side
    265.41x = 81,445.52
  5. Step 5: Solve for x
    x = 81,445.52/265.41
  6. Step 6: Final answer
    x = 306.87

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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.