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Finding the Fourth Proportional to 265.35, 368.24 and 254.55

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Solution

The fourth proportional to 265.35, 368.24 and 254.55 is: 353.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.35 : 368.24 = 254.55 : x
  2. Step 2: Convert to fraction form
    265.35/368.24 = 254.55/x
  3. Step 3: Cross multiply
    265.35x = 368.24 × 254.55
  4. Step 4: Simplify right side
    265.35x = 93,735.49
  5. Step 5: Solve for x
    x = 93,735.49/265.35
  6. Step 6: Final answer
    x = 353.25

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.