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Finding the Fourth Proportional to 333.58, 460.56 and 305.84

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Solution

The fourth proportional to 333.58, 460.56 and 305.84 is: 422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.58 : 460.56 = 305.84 : x
  2. Step 2: Convert to fraction form
    333.58/460.56 = 305.84/x
  3. Step 3: Cross multiply
    333.58x = 460.56 × 305.84
  4. Step 4: Simplify right side
    333.58x = 140,857.67
  5. Step 5: Solve for x
    x = 140,857.67/333.58
  6. Step 6: Final answer
    x = 422.26

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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.