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Finding the Fourth Proportional to 335.51, 463.25 and 242.46

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Solution

The fourth proportional to 335.51, 463.25 and 242.46 is: 334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.51 : 463.25 = 242.46 : x
  2. Step 2: Convert to fraction form
    335.51/463.25 = 242.46/x
  3. Step 3: Cross multiply
    335.51x = 463.25 × 242.46
  4. Step 4: Simplify right side
    335.51x = 112,320.20
  5. Step 5: Solve for x
    x = 112,320.20/335.51
  6. Step 6: Final answer
    x = 334.78

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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.