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Finding the Fourth Proportional to 531.03, 796.55 and 223.03

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Solution

The fourth proportional to 531.03, 796.55 and 223.03 is: 334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.03 : 796.55 = 223.03 : x
  2. Step 2: Convert to fraction form
    531.03/796.55 = 223.03/x
  3. Step 3: Cross multiply
    531.03x = 796.55 × 223.03
  4. Step 4: Simplify right side
    531.03x = 177,654.55
  5. Step 5: Solve for x
    x = 177,654.55/531.03
  6. Step 6: Final answer
    x = 334.55

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.