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Finding the Fourth Proportional to 334.98, 501.90 and 226.56

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Solution

The fourth proportional to 334.98, 501.90 and 226.56 is: 339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.98 : 501.90 = 226.56 : x
  2. Step 2: Convert to fraction form
    334.98/501.90 = 226.56/x
  3. Step 3: Cross multiply
    334.98x = 501.90 × 226.56
  4. Step 4: Simplify right side
    334.98x = 113,710.46
  5. Step 5: Solve for x
    x = 113,710.46/334.98
  6. Step 6: Final answer
    x = 339.45

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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.