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Finding the Fourth Proportional to 533.39, 800.10 and 220.97

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Solution

The fourth proportional to 533.39, 800.10 and 220.97 is: 331.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.39 : 800.10 = 220.97 : x
  2. Step 2: Convert to fraction form
    533.39/800.10 = 220.97/x
  3. Step 3: Cross multiply
    533.39x = 800.10 × 220.97
  4. Step 4: Simplify right side
    533.39x = 176,798.10
  5. Step 5: Solve for x
    x = 176,798.10/533.39
  6. Step 6: Final answer
    x = 331.46

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.