Finding the Fourth Proportional to 479.24, 718.63 and 170.96
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Solution
The fourth proportional to 479.24, 718.63 and 170.96 is: 256.36
Step by Step Solution
- Step 1: Write the proportion equation
479.24 : 718.63 = 170.96 : x - Step 2: Convert to fraction form
479.24/718.63 = 170.96/x - Step 3: Cross multiply
479.24x = 718.63 × 170.96 - Step 4: Simplify right side
479.24x = 122,856.13 - Step 5: Solve for x
x = 122,856.13/479.24 - Step 6: Final answer
x = 256.36
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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.