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Finding the Fourth Proportional to 534.64, 737.72 and 301.76

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Solution

The fourth proportional to 534.64, 737.72 and 301.76 is: 416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.64 : 737.72 = 301.76 : x
  2. Step 2: Convert to fraction form
    534.64/737.72 = 301.76/x
  3. Step 3: Cross multiply
    534.64x = 737.72 × 301.76
  4. Step 4: Simplify right side
    534.64x = 222,614.39
  5. Step 5: Solve for x
    x = 222,614.39/534.64
  6. Step 6: Final answer
    x = 416.38

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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.