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Finding the Fourth Proportional to 339.96, 468.98 and 200.06

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Solution

The fourth proportional to 339.96, 468.98 and 200.06 is: 275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    339.96 : 468.98 = 200.06 : x
  2. Step 2: Convert to fraction form
    339.96/468.98 = 200.06/x
  3. Step 3: Cross multiply
    339.96x = 468.98 × 200.06
  4. Step 4: Simplify right side
    339.96x = 93,824.14
  5. Step 5: Solve for x
    x = 93,824.14/339.96
  6. Step 6: Final answer
    x = 275.99

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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.