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Finding the Fourth Proportional to 265.25, 366.14 and 199.64

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Solution

The fourth proportional to 265.25, 366.14 and 199.64 is: 275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.25 : 366.14 = 199.64 : x
  2. Step 2: Convert to fraction form
    265.25/366.14 = 199.64/x
  3. Step 3: Cross multiply
    265.25x = 366.14 × 199.64
  4. Step 4: Simplify right side
    265.25x = 73,095.02
  5. Step 5: Solve for x
    x = 73,095.02/265.25
  6. Step 6: Final answer
    x = 275.57

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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.