Finding the Fourth Proportional to 537.18, 803.94 and 415.99
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Solution
The fourth proportional to 537.18, 803.94 and 415.99 is: 622.57
Step by Step Solution
- Step 1: Write the proportion equation
537.18 : 803.94 = 415.99 : x - Step 2: Convert to fraction form
537.18/803.94 = 415.99/x - Step 3: Cross multiply
537.18x = 803.94 × 415.99 - Step 4: Simplify right side
537.18x = 334,431.00 - Step 5: Solve for x
x = 334,431.00/537.18 - Step 6: Final answer
x = 622.57
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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.