Finding the Fourth Proportional to 821.99, 1,232.53 and 590.99
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Solution
The fourth proportional to 821.99, 1,232.53 and 590.99 is: 886.16
Step by Step Solution
- Step 1: Write the proportion equation
821.99 : 1,232.53 = 590.99 : x - Step 2: Convert to fraction form
821.99/1,232.53 = 590.99/x - Step 3: Cross multiply
821.99x = 1,232.53 × 590.99 - Step 4: Simplify right side
821.99x = 728,412.90 - Step 5: Solve for x
x = 728,412.90/821.99 - Step 6: Final answer
x = 886.16
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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.