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Finding the Fourth Proportional to 243.02, 366.35 and 227.36

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Solution

The fourth proportional to 243.02, 366.35 and 227.36 is: 342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.02 : 366.35 = 227.36 : x
  2. Step 2: Convert to fraction form
    243.02/366.35 = 227.36/x
  3. Step 3: Cross multiply
    243.02x = 366.35 × 227.36
  4. Step 4: Simplify right side
    243.02x = 83,292.07
  5. Step 5: Solve for x
    x = 83,292.07/243.02
  6. Step 6: Final answer
    x = 342.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.