Finding the Fourth Proportional to 292.17, 438.77 and 268.99
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Solution
The fourth proportional to 292.17, 438.77 and 268.99 is: 403.96
Step by Step Solution
- Step 1: Write the proportion equation
292.17 : 438.77 = 268.99 : x - Step 2: Convert to fraction form
292.17/438.77 = 268.99/x - Step 3: Cross multiply
292.17x = 438.77 × 268.99 - Step 4: Simplify right side
292.17x = 118,024.74 - Step 5: Solve for x
x = 118,024.74/292.17 - Step 6: Final answer
x = 403.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.