Finding the Fourth Proportional to 369.43, 553.99 and 125.98
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Solution
The fourth proportional to 369.43, 553.99 and 125.98 is: 188.91
Step by Step Solution
- Step 1: Write the proportion equation
369.43 : 553.99 = 125.98 : x - Step 2: Convert to fraction form
369.43/553.99 = 125.98/x - Step 3: Cross multiply
369.43x = 553.99 × 125.98 - Step 4: Simplify right side
369.43x = 69,789.21 - Step 5: Solve for x
x = 69,789.21/369.43 - Step 6: Final answer
x = 188.91
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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.