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Finding the Fourth Proportional to 334.41, 501.60 and 276.09

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Solution

The fourth proportional to 334.41, 501.60 and 276.09 is: 414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.41 : 501.60 = 276.09 : x
  2. Step 2: Convert to fraction form
    334.41/501.60 = 276.09/x
  3. Step 3: Cross multiply
    334.41x = 501.60 × 276.09
  4. Step 4: Simplify right side
    334.41x = 138,486.74
  5. Step 5: Solve for x
    x = 138,486.74/334.41
  6. Step 6: Final answer
    x = 414.12

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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.