Finding the Fourth Proportional to 88.93, 122.65 and 73.44
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Solution
The fourth proportional to 88.93, 122.65 and 73.44 is: 101.28
Step by Step Solution
- Step 1: Write the proportion equation
88.93 : 122.65 = 73.44 : x - Step 2: Convert to fraction form
88.93/122.65 = 73.44/x - Step 3: Cross multiply
88.93x = 122.65 × 73.44 - Step 4: Simplify right side
88.93x = 9,007.23 - Step 5: Solve for x
x = 9,007.23/88.93 - Step 6: Final answer
x = 101.28
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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.