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Finding the Fourth Proportional to 534.64, 738.02 and 338.12

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Solution

The fourth proportional to 534.64, 738.02 and 338.12 is: 466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.64 : 738.02 = 338.12 : x
  2. Step 2: Convert to fraction form
    534.64/738.02 = 338.12/x
  3. Step 3: Cross multiply
    534.64x = 738.02 × 338.12
  4. Step 4: Simplify right side
    534.64x = 249,533.94
  5. Step 5: Solve for x
    x = 249,533.94/534.64
  6. Step 6: Final answer
    x = 466.74

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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.