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Finding the Fourth Proportional to 265.08, 366.30 and 255

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Solution

The fourth proportional to 265.08, 366.30 and 255 is: 352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.08 : 366.30 = 255 : x
  2. Step 2: Convert to fraction form
    265.08/366.30 = 255/x
  3. Step 3: Cross multiply
    265.08x = 366.30 × 255
  4. Step 4: Simplify right side
    265.08x = 93,406.50
  5. Step 5: Solve for x
    x = 93,406.50/265.08
  6. Step 6: Final answer
    x = 352.37

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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.