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Finding the Fourth Proportional to 473.96, 654.06 and 277.43

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Solution

The fourth proportional to 473.96, 654.06 and 277.43 is: 382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.96 : 654.06 = 277.43 : x
  2. Step 2: Convert to fraction form
    473.96/654.06 = 277.43/x
  3. Step 3: Cross multiply
    473.96x = 654.06 × 277.43
  4. Step 4: Simplify right side
    473.96x = 181,452.60
  5. Step 5: Solve for x
    x = 181,452.60/473.96
  6. Step 6: Final answer
    x = 382.85

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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.