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Finding the Fourth Proportional to 335.64, 463.23 and 242.69

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Solution

The fourth proportional to 335.64, 463.23 and 242.69 is: 334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.64 : 463.23 = 242.69 : x
  2. Step 2: Convert to fraction form
    335.64/463.23 = 242.69/x
  3. Step 3: Cross multiply
    335.64x = 463.23 × 242.69
  4. Step 4: Simplify right side
    335.64x = 112,418.97
  5. Step 5: Solve for x
    x = 112,418.97/335.64
  6. Step 6: Final answer
    x = 334.94

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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.