Finding the Fourth Proportional to 835.36, 1,252.68 and 322
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Solution
The fourth proportional to 835.36, 1,252.68 and 322 is: 482.86
Step by Step Solution
- Step 1: Write the proportion equation
835.36 : 1,252.68 = 322 : x - Step 2: Convert to fraction form
835.36/1,252.68 = 322/x - Step 3: Cross multiply
835.36x = 1,252.68 × 322 - Step 4: Simplify right side
835.36x = 403,362.96 - Step 5: Solve for x
x = 403,362.96/835.36 - Step 6: Final answer
x = 482.86
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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.