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Finding the Fourth Proportional to 534.46, 737.59 and 313.33

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Solution

The fourth proportional to 534.46, 737.59 and 313.33 is: 432.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.46 : 737.59 = 313.33 : x
  2. Step 2: Convert to fraction form
    534.46/737.59 = 313.33/x
  3. Step 3: Cross multiply
    534.46x = 737.59 × 313.33
  4. Step 4: Simplify right side
    534.46x = 231,109.07
  5. Step 5: Solve for x
    x = 231,109.07/534.46
  6. Step 6: Final answer
    x = 432.42

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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.