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Finding the Fourth Proportional to 650.45, 974.72 and 325.37

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Solution

The fourth proportional to 650.45, 974.72 and 325.37 is: 487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.45 : 974.72 = 325.37 : x
  2. Step 2: Convert to fraction form
    650.45/974.72 = 325.37/x
  3. Step 3: Cross multiply
    650.45x = 974.72 × 325.37
  4. Step 4: Simplify right side
    650.45x = 317,138.15
  5. Step 5: Solve for x
    x = 317,138.15/650.45
  6. Step 6: Final answer
    x = 487.57

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.