Finding the Fourth Proportional to 99.18, 149.00 and 92.52
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Solution
The fourth proportional to 99.18, 149.00 and 92.52 is: 138.99
Step by Step Solution
- Step 1: Write the proportion equation
99.18 : 149.00 = 92.52 : x - Step 2: Convert to fraction form
99.18/149.00 = 92.52/x - Step 3: Cross multiply
99.18x = 149.00 × 92.52 - Step 4: Simplify right side
99.18x = 13,785.02 - Step 5: Solve for x
x = 13,785.02/99.18 - Step 6: Final answer
x = 138.99
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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.