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Finding the Fourth Proportional to 333.89, 501.84 and 276.48

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Solution

The fourth proportional to 333.89, 501.84 and 276.48 is: 415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.89 : 501.84 = 276.48 : x
  2. Step 2: Convert to fraction form
    333.89/501.84 = 276.48/x
  3. Step 3: Cross multiply
    333.89x = 501.84 × 276.48
  4. Step 4: Simplify right side
    333.89x = 138,748.72
  5. Step 5: Solve for x
    x = 138,748.72/333.89
  6. Step 6: Final answer
    x = 415.55

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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.