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Finding the Fourth Proportional to 265.75, 396.70 and 244.08

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Solution

The fourth proportional to 265.75, 396.70 and 244.08 is: 364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.75 : 396.70 = 244.08 : x
  2. Step 2: Convert to fraction form
    265.75/396.70 = 244.08/x
  3. Step 3: Cross multiply
    265.75x = 396.70 × 244.08
  4. Step 4: Simplify right side
    265.75x = 96,825.93
  5. Step 5: Solve for x
    x = 96,825.93/265.75
  6. Step 6: Final answer
    x = 364.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.