Finding the Fourth Proportional to 88.48, 122.08 and 49.66
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Solution
The fourth proportional to 88.48, 122.08 and 49.66 is: 68.52
Step by Step Solution
- Step 1: Write the proportion equation
88.48 : 122.08 = 49.66 : x - Step 2: Convert to fraction form
88.48/122.08 = 49.66/x - Step 3: Cross multiply
88.48x = 122.08 × 49.66 - Step 4: Simplify right side
88.48x = 6,062.49 - Step 5: Solve for x
x = 6,062.49/88.48 - Step 6: Final answer
x = 68.52
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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.