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Finding the Fourth Proportional to 265.50, 366.30 and 167.18

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Solution

The fourth proportional to 265.50, 366.30 and 167.18 is: 230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.50 : 366.30 = 167.18 : x
  2. Step 2: Convert to fraction form
    265.50/366.30 = 167.18/x
  3. Step 3: Cross multiply
    265.50x = 366.30 × 167.18
  4. Step 4: Simplify right side
    265.50x = 61,238.03
  5. Step 5: Solve for x
    x = 61,238.03/265.50
  6. Step 6: Final answer
    x = 230.65

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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.