Finding the Fourth Proportional to 367.77, 551.58 and 213.99
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Solution
The fourth proportional to 367.77, 551.58 and 213.99 is: 320.95
Step by Step Solution
- Step 1: Write the proportion equation
367.77 : 551.58 = 213.99 : x - Step 2: Convert to fraction form
367.77/551.58 = 213.99/x - Step 3: Cross multiply
367.77x = 551.58 × 213.99 - Step 4: Simplify right side
367.77x = 118,035.48 - Step 5: Solve for x
x = 118,035.48/367.77 - Step 6: Final answer
x = 320.95
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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.