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Finding the Fourth Proportional to 335.64, 463.12 and 195.74

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Solution

The fourth proportional to 335.64, 463.12 and 195.74 is: 270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.64 : 463.12 = 195.74 : x
  2. Step 2: Convert to fraction form
    335.64/463.12 = 195.74/x
  3. Step 3: Cross multiply
    335.64x = 463.12 × 195.74
  4. Step 4: Simplify right side
    335.64x = 90,651.11
  5. Step 5: Solve for x
    x = 90,651.11/335.64
  6. Step 6: Final answer
    x = 270.08

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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.