Finding the Fourth Proportional to 462, 693 and 158
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Solution
The fourth proportional to 462, 693 and 158 is: 237
Step by Step Solution
- Step 1: Write the proportion equation
462 : 693 = 158 : x - Step 2: Convert to fraction form
462/693 = 158/x - Step 3: Cross multiply
462x = 693 × 158 - Step 4: Simplify right side
462x = 109,494 - Step 5: Solve for x
x = 109,494/462 - Step 6: Final answer
x = 237
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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.