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Finding the Fourth Proportional to 268.35, 400.26 and 244.77

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Solution

The fourth proportional to 268.35, 400.26 and 244.77 is: 365.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.35 : 400.26 = 244.77 : x
  2. Step 2: Convert to fraction form
    268.35/400.26 = 244.77/x
  3. Step 3: Cross multiply
    268.35x = 400.26 × 244.77
  4. Step 4: Simplify right side
    268.35x = 97,971.64
  5. Step 5: Solve for x
    x = 97,971.64/268.35
  6. Step 6: Final answer
    x = 365.09

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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.