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Finding the Fourth Proportional to 336.18, 463.50 and 225.48

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Solution

The fourth proportional to 336.18, 463.50 and 225.48 is: 310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.18 : 463.50 = 225.48 : x
  2. Step 2: Convert to fraction form
    336.18/463.50 = 225.48/x
  3. Step 3: Cross multiply
    336.18x = 463.50 × 225.48
  4. Step 4: Simplify right side
    336.18x = 104,509.98
  5. Step 5: Solve for x
    x = 104,509.98/336.18
  6. Step 6: Final answer
    x = 310.88

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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.