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Finding the Fourth Proportional to 225.52, 337.91 and 200.00

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Solution

The fourth proportional to 225.52, 337.91 and 200.00 is: 299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.52 : 337.91 = 200.00 : x
  2. Step 2: Convert to fraction form
    225.52/337.91 = 200.00/x
  3. Step 3: Cross multiply
    225.52x = 337.91 × 200.00
  4. Step 4: Simplify right side
    225.52x = 67,581.84
  5. Step 5: Solve for x
    x = 67,581.84/225.52
  6. Step 6: Final answer
    x = 299.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.