Finding the Fourth Proportional to 135.25, 202.88 and 44.02
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Solution
The fourth proportional to 135.25, 202.88 and 44.02 is: 66.03
Step by Step Solution
- Step 1: Write the proportion equation
135.25 : 202.88 = 44.02 : x - Step 2: Convert to fraction form
135.25/202.88 = 44.02/x - Step 3: Cross multiply
135.25x = 202.88 × 44.02 - Step 4: Simplify right side
135.25x = 8,930.78 - Step 5: Solve for x
x = 8,930.78/135.25 - Step 6: Final answer
x = 66.03
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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.