Finding the Fourth Proportional to 99.96, 149.67 and 88.08
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Solution
The fourth proportional to 99.96, 149.67 and 88.08 is: 131.88
Step by Step Solution
- Step 1: Write the proportion equation
99.96 : 149.67 = 88.08 : x - Step 2: Convert to fraction form
99.96/149.67 = 88.08/x - Step 3: Cross multiply
99.96x = 149.67 × 88.08 - Step 4: Simplify right side
99.96x = 13,182.93 - Step 5: Solve for x
x = 13,182.93/99.96 - Step 6: Final answer
x = 131.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.