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Finding the Fourth Proportional to 483.91, 666.82 and 334.58

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Solution

The fourth proportional to 483.91, 666.82 and 334.58 is: 461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.91 : 666.82 = 334.58 : x
  2. Step 2: Convert to fraction form
    483.91/666.82 = 334.58/x
  3. Step 3: Cross multiply
    483.91x = 666.82 × 334.58
  4. Step 4: Simplify right side
    483.91x = 223,104.64
  5. Step 5: Solve for x
    x = 223,104.64/483.91
  6. Step 6: Final answer
    x = 461.05

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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.