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Finding the Fourth Proportional to 286.03, 395.36 and 263.35

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Solution

The fourth proportional to 286.03, 395.36 and 263.35 is: 364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286.03 : 395.36 = 263.35 : x
  2. Step 2: Convert to fraction form
    286.03/395.36 = 263.35/x
  3. Step 3: Cross multiply
    286.03x = 395.36 × 263.35
  4. Step 4: Simplify right side
    286.03x = 104,116.74
  5. Step 5: Solve for x
    x = 104,116.74/286.03
  6. Step 6: Final answer
    x = 364.01

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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.