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Finding the Fourth Proportional to 336.45, 464.54 and 247.94

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Solution

The fourth proportional to 336.45, 464.54 and 247.94 is: 342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.45 : 464.54 = 247.94 : x
  2. Step 2: Convert to fraction form
    336.45/464.54 = 247.94/x
  3. Step 3: Cross multiply
    336.45x = 464.54 × 247.94
  4. Step 4: Simplify right side
    336.45x = 115,178.84
  5. Step 5: Solve for x
    x = 115,178.84/336.45
  6. Step 6: Final answer
    x = 342.33

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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.