Finding the Fourth Proportional to 395.64, 546.02 and 229.84
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Solution
The fourth proportional to 395.64, 546.02 and 229.84 is: 317.20
Step by Step Solution
- Step 1: Write the proportion equation
395.64 : 546.02 = 229.84 : x - Step 2: Convert to fraction form
395.64/546.02 = 229.84/x - Step 3: Cross multiply
395.64x = 546.02 × 229.84 - Step 4: Simplify right side
395.64x = 125,497.24 - Step 5: Solve for x
x = 125,497.24/395.64 - Step 6: Final answer
x = 317.20
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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.