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Finding the Fourth Proportional to 533.36, 800.05 and 181.95

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Solution

The fourth proportional to 533.36, 800.05 and 181.95 is: 272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.36 : 800.05 = 181.95 : x
  2. Step 2: Convert to fraction form
    533.36/800.05 = 181.95/x
  3. Step 3: Cross multiply
    533.36x = 800.05 × 181.95
  4. Step 4: Simplify right side
    533.36x = 145,566.50
  5. Step 5: Solve for x
    x = 145,566.50/533.36
  6. Step 6: Final answer
    x = 272.92

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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.