Finding the Fourth Proportional to 1,075.68, 1,613.34 and 306
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Solution
The fourth proportional to 1,075.68, 1,613.34 and 306 is: 458.95
Step by Step Solution
- Step 1: Write the proportion equation
1,075.68 : 1,613.34 = 306 : x - Step 2: Convert to fraction form
1,075.68/1,613.34 = 306/x - Step 3: Cross multiply
1,075.68x = 1,613.34 × 306 - Step 4: Simplify right side
1,075.68x = 493,682.04 - Step 5: Solve for x
x = 493,682.04/1,075.68 - Step 6: Final answer
x = 458.95
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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.