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Finding the Fourth Proportional to 650.01, 974.47 and 303.16

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Solution

The fourth proportional to 650.01, 974.47 and 303.16 is: 454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.01 : 974.47 = 303.16 : x
  2. Step 2: Convert to fraction form
    650.01/974.47 = 303.16/x
  3. Step 3: Cross multiply
    650.01x = 974.47 × 303.16
  4. Step 4: Simplify right side
    650.01x = 295,421.84
  5. Step 5: Solve for x
    x = 295,421.84/650.01
  6. Step 6: Final answer
    x = 454.49

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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.