Finding the Fourth Proportional to 98.05, 147.75 and 88.94
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Solution
The fourth proportional to 98.05, 147.75 and 88.94 is: 134.02
Step by Step Solution
- Step 1: Write the proportion equation
98.05 : 147.75 = 88.94 : x - Step 2: Convert to fraction form
98.05/147.75 = 88.94/x - Step 3: Cross multiply
98.05x = 147.75 × 88.94 - Step 4: Simplify right side
98.05x = 13,140.89 - Step 5: Solve for x
x = 13,140.89/98.05 - Step 6: Final answer
x = 134.02
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.