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Finding the Fourth Proportional to 473.96, 653.81 and 277.48

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Solution

The fourth proportional to 473.96, 653.81 and 277.48 is: 382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.96 : 653.81 = 277.48 : x
  2. Step 2: Convert to fraction form
    473.96/653.81 = 277.48/x
  3. Step 3: Cross multiply
    473.96x = 653.81 × 277.48
  4. Step 4: Simplify right side
    473.96x = 181,419.20
  5. Step 5: Solve for x
    x = 181,419.20/473.96
  6. Step 6: Final answer
    x = 382.77

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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.