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Finding the Fourth Proportional to 262.54, 392.29 and 200.50

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Solution

The fourth proportional to 262.54, 392.29 and 200.50 is: 299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.54 : 392.29 = 200.50 : x
  2. Step 2: Convert to fraction form
    262.54/392.29 = 200.50/x
  3. Step 3: Cross multiply
    262.54x = 392.29 × 200.50
  4. Step 4: Simplify right side
    262.54x = 78,654.15
  5. Step 5: Solve for x
    x = 78,654.15/262.54
  6. Step 6: Final answer
    x = 299.59

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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.