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Finding the Fourth Proportional to 500.26, 693.70 and 483.88

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Solution

The fourth proportional to 500.26, 693.70 and 483.88 is: 670.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.26 : 693.70 = 483.88 : x
  2. Step 2: Convert to fraction form
    500.26/693.70 = 483.88/x
  3. Step 3: Cross multiply
    500.26x = 693.70 × 483.88
  4. Step 4: Simplify right side
    500.26x = 335,667.56
  5. Step 5: Solve for x
    x = 335,667.56/500.26
  6. Step 6: Final answer
    x = 670.99

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