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Finding the Fourth Proportional to 534.12, 801.48 and 339.08

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Solution

The fourth proportional to 534.12, 801.48 and 339.08 is: 508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.12 : 801.48 = 339.08 : x
  2. Step 2: Convert to fraction form
    534.12/801.48 = 339.08/x
  3. Step 3: Cross multiply
    534.12x = 801.48 × 339.08
  4. Step 4: Simplify right side
    534.12x = 271,765.84
  5. Step 5: Solve for x
    x = 271,765.84/534.12
  6. Step 6: Final answer
    x = 508.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.