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Finding the Fourth Proportional to 534.75, 737.94 and 313.71

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Solution

The fourth proportional to 534.75, 737.94 and 313.71 is: 432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.75 : 737.94 = 313.71 : x
  2. Step 2: Convert to fraction form
    534.75/737.94 = 313.71/x
  3. Step 3: Cross multiply
    534.75x = 737.94 × 313.71
  4. Step 4: Simplify right side
    534.75x = 231,499.16
  5. Step 5: Solve for x
    x = 231,499.16/534.75
  6. Step 6: Final answer
    x = 432.91

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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.