Finding the Fourth Proportional to 369.24, 553.91 and 125.70
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Solution
The fourth proportional to 369.24, 553.91 and 125.70 is: 188.56
Step by Step Solution
- Step 1: Write the proportion equation
369.24 : 553.91 = 125.70 : x - Step 2: Convert to fraction form
369.24/553.91 = 125.70/x - Step 3: Cross multiply
369.24x = 553.91 × 125.70 - Step 4: Simplify right side
369.24x = 69,623.09 - Step 5: Solve for x
x = 69,623.09/369.24 - Step 6: Final answer
x = 188.56
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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.