Finding the Fourth Proportional to 409.18, 564.26 and 364.18
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Solution
The fourth proportional to 409.18, 564.26 and 364.18 is: 502.20
Step by Step Solution
- Step 1: Write the proportion equation
409.18 : 564.26 = 364.18 : x - Step 2: Convert to fraction form
409.18/564.26 = 364.18/x - Step 3: Cross multiply
409.18x = 564.26 × 364.18 - Step 4: Simplify right side
409.18x = 205,492.21 - Step 5: Solve for x
x = 205,492.21/409.18 - Step 6: Final answer
x = 502.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.