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Finding the Fourth Proportional to 531.44, 797.93 and 300.79

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Solution

The fourth proportional to 531.44, 797.93 and 300.79 is: 451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.44 : 797.93 = 300.79 : x
  2. Step 2: Convert to fraction form
    531.44/797.93 = 300.79/x
  3. Step 3: Cross multiply
    531.44x = 797.93 × 300.79
  4. Step 4: Simplify right side
    531.44x = 240,006.90
  5. Step 5: Solve for x
    x = 240,006.90/531.44
  6. Step 6: Final answer
    x = 451.62

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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.