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Finding the Fourth Proportional to 335.66, 463.28 and 277.34

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Solution

The fourth proportional to 335.66, 463.28 and 277.34 is: 382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.66 : 463.28 = 277.34 : x
  2. Step 2: Convert to fraction form
    335.66/463.28 = 277.34/x
  3. Step 3: Cross multiply
    335.66x = 463.28 × 277.34
  4. Step 4: Simplify right side
    335.66x = 128,482.37
  5. Step 5: Solve for x
    x = 128,482.37/335.66
  6. Step 6: Final answer
    x = 382.78

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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.