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Finding the Fourth Proportional to 335.96, 505.06 and 275.54

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Solution

The fourth proportional to 335.96, 505.06 and 275.54 is: 414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.96 : 505.06 = 275.54 : x
  2. Step 2: Convert to fraction form
    335.96/505.06 = 275.54/x
  3. Step 3: Cross multiply
    335.96x = 505.06 × 275.54
  4. Step 4: Simplify right side
    335.96x = 139,164.23
  5. Step 5: Solve for x
    x = 139,164.23/335.96
  6. Step 6: Final answer
    x = 414.23

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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.