Finding the Fourth Proportional to 368.70, 553.19 and 183.58
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Solution
The fourth proportional to 368.70, 553.19 and 183.58 is: 275.44
Step by Step Solution
- Step 1: Write the proportion equation
368.70 : 553.19 = 183.58 : x - Step 2: Convert to fraction form
368.70/553.19 = 183.58/x - Step 3: Cross multiply
368.70x = 553.19 × 183.58 - Step 4: Simplify right side
368.70x = 101,553.23 - Step 5: Solve for x
x = 101,553.23/368.70 - Step 6: Final answer
x = 275.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.