Finding the Fourth Proportional to 368.19, 552.09 and 124.63
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Solution
The fourth proportional to 368.19, 552.09 and 124.63 is: 186.87
Step by Step Solution
- Step 1: Write the proportion equation
368.19 : 552.09 = 124.63 : x - Step 2: Convert to fraction form
368.19/552.09 = 124.63/x - Step 3: Cross multiply
368.19x = 552.09 × 124.63 - Step 4: Simplify right side
368.19x = 68,804.22 - Step 5: Solve for x
x = 68,804.22/368.19 - Step 6: Final answer
x = 186.87
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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.