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Finding the Fourth Proportional to 533.34, 735.57 and 336.78

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Solution

The fourth proportional to 533.34, 735.57 and 336.78 is: 464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.34 : 735.57 = 336.78 : x
  2. Step 2: Convert to fraction form
    533.34/735.57 = 336.78/x
  3. Step 3: Cross multiply
    533.34x = 735.57 × 336.78
  4. Step 4: Simplify right side
    533.34x = 247,725.26
  5. Step 5: Solve for x
    x = 247,725.26/533.34
  6. Step 6: Final answer
    x = 464.48

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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.