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Finding the Fourth Proportional to 268.03, 400.10 and 247.99

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Solution

The fourth proportional to 268.03, 400.10 and 247.99 is: 370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.03 : 400.10 = 247.99 : x
  2. Step 2: Convert to fraction form
    268.03/400.10 = 247.99/x
  3. Step 3: Cross multiply
    268.03x = 400.10 × 247.99
  4. Step 4: Simplify right side
    268.03x = 99,218.18
  5. Step 5: Solve for x
    x = 99,218.18/268.03
  6. Step 6: Final answer
    x = 370.18

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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.