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Finding the Fourth Proportional to 544.76, 815.76 and 301.02

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Solution

The fourth proportional to 544.76, 815.76 and 301.02 is: 450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.76 : 815.76 = 301.02 : x
  2. Step 2: Convert to fraction form
    544.76/815.76 = 301.02/x
  3. Step 3: Cross multiply
    544.76x = 815.76 × 301.02
  4. Step 4: Simplify right side
    544.76x = 245,560.08
  5. Step 5: Solve for x
    x = 245,560.08/544.76
  6. Step 6: Final answer
    x = 450.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.