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Finding the Fourth Proportional to 531.49, 796.42 and 223.17

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Solution

The fourth proportional to 531.49, 796.42 and 223.17 is: 334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.49 : 796.42 = 223.17 : x
  2. Step 2: Convert to fraction form
    531.49/796.42 = 223.17/x
  3. Step 3: Cross multiply
    531.49x = 796.42 × 223.17
  4. Step 4: Simplify right side
    531.49x = 177,740.32
  5. Step 5: Solve for x
    x = 177,740.32/531.49
  6. Step 6: Final answer
    x = 334.42

Related Problems

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Double scale
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Similar ratio
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1.5x scale

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.