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Finding the Fourth Proportional to 533.37, 736.25 and 402.69

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Solution

The fourth proportional to 533.37, 736.25 and 402.69 is: 555.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.37 : 736.25 = 402.69 : x
  2. Step 2: Convert to fraction form
    533.37/736.25 = 402.69/x
  3. Step 3: Cross multiply
    533.37x = 736.25 × 402.69
  4. Step 4: Simplify right side
    533.37x = 296,478.50
  5. Step 5: Solve for x
    x = 296,478.50/533.37
  6. Step 6: Final answer
    x = 555.86

Related Problems

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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.