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Finding the Fourth Proportional to 534.33, 737.38 and 313.28

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Solution

The fourth proportional to 534.33, 737.38 and 313.28 is: 432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.33 : 737.38 = 313.28 : x
  2. Step 2: Convert to fraction form
    534.33/737.38 = 313.28/x
  3. Step 3: Cross multiply
    534.33x = 737.38 × 313.28
  4. Step 4: Simplify right side
    534.33x = 231,009.14
  5. Step 5: Solve for x
    x = 231,009.14/534.33
  6. Step 6: Final answer
    x = 432.33

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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.