Finding the Fourth Proportional to 916, 1,374 and 368
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Solution
The fourth proportional to 916, 1,374 and 368 is: 552
Step by Step Solution
- Step 1: Write the proportion equation
916 : 1,374 = 368 : x - Step 2: Convert to fraction form
916/1,374 = 368/x - Step 3: Cross multiply
916x = 1,374 × 368 - Step 4: Simplify right side
916x = 505,632 - Step 5: Solve for x
x = 505,632/916 - Step 6: Final answer
x = 552
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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.