Finding the Fourth Proportional to 626.08, 938.08 and 214.99
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Solution
The fourth proportional to 626.08, 938.08 and 214.99 is: 322.12
Step by Step Solution
- Step 1: Write the proportion equation
626.08 : 938.08 = 214.99 : x - Step 2: Convert to fraction form
626.08/938.08 = 214.99/x - Step 3: Cross multiply
626.08x = 938.08 × 214.99 - Step 4: Simplify right side
626.08x = 201,672.05 - Step 5: Solve for x
x = 201,672.05/626.08 - Step 6: Final answer
x = 322.12
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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.