Finding the Fourth Proportional to 252.88, 348.94 and 147.99
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Solution
The fourth proportional to 252.88, 348.94 and 147.99 is: 204.21
Step by Step Solution
- Step 1: Write the proportion equation
252.88 : 348.94 = 147.99 : x - Step 2: Convert to fraction form
252.88/348.94 = 147.99/x - Step 3: Cross multiply
252.88x = 348.94 × 147.99 - Step 4: Simplify right side
252.88x = 51,639.63 - Step 5: Solve for x
x = 51,639.63/252.88 - Step 6: Final answer
x = 204.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.