Finding the Fourth Proportional to 493.47, 680.99 and 296.99
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Solution
The fourth proportional to 493.47, 680.99 and 296.99 is: 409.85
Step by Step Solution
- Step 1: Write the proportion equation
493.47 : 680.99 = 296.99 : x - Step 2: Convert to fraction form
493.47/680.99 = 296.99/x - Step 3: Cross multiply
493.47x = 680.99 × 296.99 - Step 4: Simplify right side
493.47x = 202,247.22 - Step 5: Solve for x
x = 202,247.22/493.47 - Step 6: Final answer
x = 409.85
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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.