Finding the Fourth Proportional to 122.64, 183.99 and 88.67
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Solution
The fourth proportional to 122.64, 183.99 and 88.67 is: 133.02
Step by Step Solution
- Step 1: Write the proportion equation
122.64 : 183.99 = 88.67 : x - Step 2: Convert to fraction form
122.64/183.99 = 88.67/x - Step 3: Cross multiply
122.64x = 183.99 × 88.67 - Step 4: Simplify right side
122.64x = 16,313.47 - Step 5: Solve for x
x = 16,313.47/122.64 - Step 6: Final answer
x = 133.02
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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.