Finding the Fourth Proportional to 268.50, 370.53 and 165
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Solution
The fourth proportional to 268.50, 370.53 and 165 is: 227.70
Step by Step Solution
- Step 1: Write the proportion equation
268.50 : 370.53 = 165 : x - Step 2: Convert to fraction form
268.50/370.53 = 165/x - Step 3: Cross multiply
268.50x = 370.53 × 165 - Step 4: Simplify right side
268.50x = 61,137.45 - Step 5: Solve for x
x = 61,137.45/268.50 - Step 6: Final answer
x = 227.70
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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.