Finding the Fourth Proportional to 332.92, 498.95 and 137.70
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Solution
The fourth proportional to 332.92, 498.95 and 137.70 is: 206.37
Step by Step Solution
- Step 1: Write the proportion equation
332.92 : 498.95 = 137.70 : x - Step 2: Convert to fraction form
332.92/498.95 = 137.70/x - Step 3: Cross multiply
332.92x = 498.95 × 137.70 - Step 4: Simplify right side
332.92x = 68,705.24 - Step 5: Solve for x
x = 68,705.24/332.92 - Step 6: Final answer
x = 206.37
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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.