Finding the Fourth Proportional to 368.77, 553.08 and 214.99
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Solution
The fourth proportional to 368.77, 553.08 and 214.99 is: 322.44
Step by Step Solution
- Step 1: Write the proportion equation
368.77 : 553.08 = 214.99 : x - Step 2: Convert to fraction form
368.77/553.08 = 214.99/x - Step 3: Cross multiply
368.77x = 553.08 × 214.99 - Step 4: Simplify right side
368.77x = 118,906.67 - Step 5: Solve for x
x = 118,906.67/368.77 - Step 6: Final answer
x = 322.44
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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.