Finding the Fourth Proportional to 197.19, 295.78 and 88.95
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Solution
The fourth proportional to 197.19, 295.78 and 88.95 is: 133.42
Step by Step Solution
- Step 1: Write the proportion equation
197.19 : 295.78 = 88.95 : x - Step 2: Convert to fraction form
197.19/295.78 = 88.95/x - Step 3: Cross multiply
197.19x = 295.78 × 88.95 - Step 4: Simplify right side
197.19x = 26,307.93 - Step 5: Solve for x
x = 26,307.93/197.19 - Step 6: Final answer
x = 133.42
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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.