Finding the Fourth Proportional to 625.84, 938.91 and 192.99
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Solution
The fourth proportional to 625.84, 938.91 and 192.99 is: 289.53
Step by Step Solution
- Step 1: Write the proportion equation
625.84 : 938.91 = 192.99 : x - Step 2: Convert to fraction form
625.84/938.91 = 192.99/x - Step 3: Cross multiply
625.84x = 938.91 × 192.99 - Step 4: Simplify right side
625.84x = 181,200.24 - Step 5: Solve for x
x = 181,200.24/625.84 - Step 6: Final answer
x = 289.53
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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.