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Finding the Fourth Proportional to 650.35, 975.53 and 163.40

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Solution

The fourth proportional to 650.35, 975.53 and 163.40 is: 245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.35 : 975.53 = 163.40 : x
  2. Step 2: Convert to fraction form
    650.35/975.53 = 163.40/x
  3. Step 3: Cross multiply
    650.35x = 975.53 × 163.40
  4. Step 4: Simplify right side
    650.35x = 159,400.18
  5. Step 5: Solve for x
    x = 159,400.18/650.35
  6. Step 6: Final answer
    x = 245.10

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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.