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Finding the Fourth Proportional to 534.15, 736.37 and 376.30

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Solution

The fourth proportional to 534.15, 736.37 and 376.30 is: 518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.15 : 736.37 = 376.30 : x
  2. Step 2: Convert to fraction form
    534.15/736.37 = 376.30/x
  3. Step 3: Cross multiply
    534.15x = 736.37 × 376.30
  4. Step 4: Simplify right side
    534.15x = 277,096.03
  5. Step 5: Solve for x
    x = 277,096.03/534.15
  6. Step 6: Final answer
    x = 518.76

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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.