Finding the Fourth Proportional to 88.44, 122.08 and 53.48
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Solution
The fourth proportional to 88.44, 122.08 and 53.48 is: 73.82
Step by Step Solution
- Step 1: Write the proportion equation
88.44 : 122.08 = 53.48 : x - Step 2: Convert to fraction form
88.44/122.08 = 53.48/x - Step 3: Cross multiply
88.44x = 122.08 × 53.48 - Step 4: Simplify right side
88.44x = 6,528.84 - Step 5: Solve for x
x = 6,528.84/88.44 - Step 6: Final answer
x = 73.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.