Finding the Fourth Proportional to 283.84, 425.01 and 228.70
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Solution
The fourth proportional to 283.84, 425.01 and 228.70 is: 342.45
Step by Step Solution
- Step 1: Write the proportion equation
283.84 : 425.01 = 228.70 : x - Step 2: Convert to fraction form
283.84/425.01 = 228.70/x - Step 3: Cross multiply
283.84x = 425.01 × 228.70 - Step 4: Simplify right side
283.84x = 97,199.79 - Step 5: Solve for x
x = 97,199.79/283.84 - Step 6: Final answer
x = 342.45
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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.