Finding the Fourth Proportional to 368.97, 553.26 and 125.43
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Solution
The fourth proportional to 368.97, 553.26 and 125.43 is: 188.08
Step by Step Solution
- Step 1: Write the proportion equation
368.97 : 553.26 = 125.43 : x - Step 2: Convert to fraction form
368.97/553.26 = 125.43/x - Step 3: Cross multiply
368.97x = 553.26 × 125.43 - Step 4: Simplify right side
368.97x = 69,395.40 - Step 5: Solve for x
x = 69,395.40/368.97 - Step 6: Final answer
x = 188.08
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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.