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Finding the Fourth Proportional to 533.88, 800.46 and 290.52

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Solution

The fourth proportional to 533.88, 800.46 and 290.52 is: 435.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.88 : 800.46 = 290.52 : x
  2. Step 2: Convert to fraction form
    533.88/800.46 = 290.52/x
  3. Step 3: Cross multiply
    533.88x = 800.46 × 290.52
  4. Step 4: Simplify right side
    533.88x = 232,549.64
  5. Step 5: Solve for x
    x = 232,549.64/533.88
  6. Step 6: Final answer
    x = 435.58

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