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Finding the Fourth Proportional to 534.24, 736.32 and 451.56

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Solution

The fourth proportional to 534.24, 736.32 and 451.56 is: 622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.24 : 736.32 = 451.56 : x
  2. Step 2: Convert to fraction form
    534.24/736.32 = 451.56/x
  3. Step 3: Cross multiply
    534.24x = 736.32 × 451.56
  4. Step 4: Simplify right side
    534.24x = 332,492.66
  5. Step 5: Solve for x
    x = 332,492.66/534.24
  6. Step 6: Final answer
    x = 622.37

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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.