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Finding the Fourth Proportional to 533.59, 735.01 and 393.32

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Solution

The fourth proportional to 533.59, 735.01 and 393.32 is: 541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.59 : 735.01 = 393.32 : x
  2. Step 2: Convert to fraction form
    533.59/735.01 = 393.32/x
  3. Step 3: Cross multiply
    533.59x = 735.01 × 393.32
  4. Step 4: Simplify right side
    533.59x = 289,094.99
  5. Step 5: Solve for x
    x = 289,094.99/533.59
  6. Step 6: Final answer
    x = 541.79

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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.