Finding the Fourth Proportional to 1,129.52, 1,694.26 and 360
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Solution
The fourth proportional to 1,129.52, 1,694.26 and 360 is: 539.99
Step by Step Solution
- Step 1: Write the proportion equation
1,129.52 : 1,694.26 = 360 : x - Step 2: Convert to fraction form
1,129.52/1,694.26 = 360/x - Step 3: Cross multiply
1,129.52x = 1,694.26 × 360 - Step 4: Simplify right side
1,129.52x = 609,933.60 - Step 5: Solve for x
x = 609,933.60/1,129.52 - Step 6: Final answer
x = 539.99
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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.