Finding the Fourth Proportional to 88.97, 122.79 and 49.64
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Solution
The fourth proportional to 88.97, 122.79 and 49.64 is: 68.50
Step by Step Solution
- Step 1: Write the proportion equation
88.97 : 122.79 = 49.64 : x - Step 2: Convert to fraction form
88.97/122.79 = 49.64/x - Step 3: Cross multiply
88.97x = 122.79 × 49.64 - Step 4: Simplify right side
88.97x = 6,094.68 - Step 5: Solve for x
x = 6,094.68/88.97 - Step 6: Final answer
x = 68.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.