Finding the Fourth Proportional to 425.62, 637.99 and 181.99
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Solution
The fourth proportional to 425.62, 637.99 and 181.99 is: 272.80
Step by Step Solution
- Step 1: Write the proportion equation
425.62 : 637.99 = 181.99 : x - Step 2: Convert to fraction form
425.62/637.99 = 181.99/x - Step 3: Cross multiply
425.62x = 637.99 × 181.99 - Step 4: Simplify right side
425.62x = 116,107.80 - Step 5: Solve for x
x = 116,107.80/425.62 - Step 6: Final answer
x = 272.80
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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.