Finding the Fourth Proportional to 377.42, 520.86 and 283.99
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Solution
The fourth proportional to 377.42, 520.86 and 283.99 is: 391.93
Step by Step Solution
- Step 1: Write the proportion equation
377.42 : 520.86 = 283.99 : x - Step 2: Convert to fraction form
377.42/520.86 = 283.99/x - Step 3: Cross multiply
377.42x = 520.86 × 283.99 - Step 4: Simplify right side
377.42x = 147,920.08 - Step 5: Solve for x
x = 147,920.08/377.42 - Step 6: Final answer
x = 391.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.