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Finding the Fourth Proportional to 654.14, 981.22 and 167.18

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Solution

The fourth proportional to 654.14, 981.22 and 167.18 is: 250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    654.14 : 981.22 = 167.18 : x
  2. Step 2: Convert to fraction form
    654.14/981.22 = 167.18/x
  3. Step 3: Cross multiply
    654.14x = 981.22 × 167.18
  4. Step 4: Simplify right side
    654.14x = 164,040.36
  5. Step 5: Solve for x
    x = 164,040.36/654.14
  6. Step 6: Final answer
    x = 250.77

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Double scale
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Similar ratio
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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.