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Finding the Fourth Proportional to 534.06, 799.88 and 404.28

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Solution

The fourth proportional to 534.06, 799.88 and 404.28 is: 605.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.06 : 799.88 = 404.28 : x
  2. Step 2: Convert to fraction form
    534.06/799.88 = 404.28/x
  3. Step 3: Cross multiply
    534.06x = 799.88 × 404.28
  4. Step 4: Simplify right side
    534.06x = 323,373.47
  5. Step 5: Solve for x
    x = 323,373.47/534.06
  6. Step 6: Final answer
    x = 605.50

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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.