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Finding the Fourth Proportional to 531.19, 797.04 and 223.09

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Solution

The fourth proportional to 531.19, 797.04 and 223.09 is: 334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.19 : 797.04 = 223.09 : x
  2. Step 2: Convert to fraction form
    531.19/797.04 = 223.09/x
  3. Step 3: Cross multiply
    531.19x = 797.04 × 223.09
  4. Step 4: Simplify right side
    531.19x = 177,809.66
  5. Step 5: Solve for x
    x = 177,809.66/531.19
  6. Step 6: Final answer
    x = 334.74

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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.