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Finding the Fourth Proportional to 265.88, 366.96 and 192.30

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Solution

The fourth proportional to 265.88, 366.96 and 192.30 is: 265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.88 : 366.96 = 192.30 : x
  2. Step 2: Convert to fraction form
    265.88/366.96 = 192.30/x
  3. Step 3: Cross multiply
    265.88x = 366.96 × 192.30
  4. Step 4: Simplify right side
    265.88x = 70,566.41
  5. Step 5: Solve for x
    x = 70,566.41/265.88
  6. Step 6: Final answer
    x = 265.41

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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.