Finding the Fourth Proportional to 154.88, 232.14 and 93.99
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Solution
The fourth proportional to 154.88, 232.14 and 93.99 is: 140.88
Step by Step Solution
- Step 1: Write the proportion equation
154.88 : 232.14 = 93.99 : x - Step 2: Convert to fraction form
154.88/232.14 = 93.99/x - Step 3: Cross multiply
154.88x = 232.14 × 93.99 - Step 4: Simplify right side
154.88x = 21,818.84 - Step 5: Solve for x
x = 21,818.84/154.88 - Step 6: Final answer
x = 140.88
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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.