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Finding the Fourth Proportional to 268.47, 400.55 and 244.17

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Solution

The fourth proportional to 268.47, 400.55 and 244.17 is: 364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.47 : 400.55 = 244.17 : x
  2. Step 2: Convert to fraction form
    268.47/400.55 = 244.17/x
  3. Step 3: Cross multiply
    268.47x = 400.55 × 244.17
  4. Step 4: Simplify right side
    268.47x = 97,801.07
  5. Step 5: Solve for x
    x = 97,801.07/268.47
  6. Step 6: Final answer
    x = 364.29

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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.