Finding the Fourth Proportional to 325.24, 485.84 and 292.68
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Solution
The fourth proportional to 325.24, 485.84 and 292.68 is: 437.20
Step by Step Solution
- Step 1: Write the proportion equation
325.24 : 485.84 = 292.68 : x - Step 2: Convert to fraction form
325.24/485.84 = 292.68/x - Step 3: Cross multiply
325.24x = 485.84 × 292.68 - Step 4: Simplify right side
325.24x = 142,194.74 - Step 5: Solve for x
x = 142,194.74/325.24 - Step 6: Final answer
x = 437.20
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.