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Finding the Fourth Proportional to 535.68, 739.04 and 349.40

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Solution

The fourth proportional to 535.68, 739.04 and 349.40 is: 482.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    535.68 : 739.04 = 349.40 : x
  2. Step 2: Convert to fraction form
    535.68/739.04 = 349.40/x
  3. Step 3: Cross multiply
    535.68x = 739.04 × 349.40
  4. Step 4: Simplify right side
    535.68x = 258,220.58
  5. Step 5: Solve for x
    x = 258,220.58/535.68
  6. Step 6: Final answer
    x = 482.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.