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Finding the Fourth Proportional to 335.85, 463.53 and 211.56

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Solution

The fourth proportional to 335.85, 463.53 and 211.56 is: 291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.85 : 463.53 = 211.56 : x
  2. Step 2: Convert to fraction form
    335.85/463.53 = 211.56/x
  3. Step 3: Cross multiply
    335.85x = 463.53 × 211.56
  4. Step 4: Simplify right side
    335.85x = 98,064.41
  5. Step 5: Solve for x
    x = 98,064.41/335.85
  6. Step 6: Final answer
    x = 291.99

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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.