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Finding the Fourth Proportional to 531.21, 796.29 and 223.14

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Solution

The fourth proportional to 531.21, 796.29 and 223.14 is: 334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.21 : 796.29 = 223.14 : x
  2. Step 2: Convert to fraction form
    531.21/796.29 = 223.14/x
  3. Step 3: Cross multiply
    531.21x = 796.29 × 223.14
  4. Step 4: Simplify right side
    531.21x = 177,684.15
  5. Step 5: Solve for x
    x = 177,684.15/531.21
  6. Step 6: Final answer
    x = 334.49

Related Problems

Find fourth proportional to 265.61, 398.15 and 111.57
Half scale
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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.