Finding the Fourth Proportional to 67.71, 101.55 and 22.06
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Solution
The fourth proportional to 67.71, 101.55 and 22.06 is: 33.08
Step by Step Solution
- Step 1: Write the proportion equation
67.71 : 101.55 = 22.06 : x - Step 2: Convert to fraction form
67.71/101.55 = 22.06/x - Step 3: Cross multiply
67.71x = 101.55 × 22.06 - Step 4: Simplify right side
67.71x = 2,239.83 - Step 5: Solve for x
x = 2,239.83/67.71 - Step 6: Final answer
x = 33.08
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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.