Finding the Fourth Proportional to 932.84, 1,379.74 and 932.84
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Solution
The fourth proportional to 932.84, 1,379.74 and 932.84 is: 1,379.74
Step by Step Solution
- Step 1: Write the proportion equation
932.84 : 1,379.74 = 932.84 : x - Step 2: Convert to fraction form
932.84/1,379.74 = 932.84/x - Step 3: Cross multiply
932.84x = 1,379.74 × 932.84 - Step 4: Simplify right side
932.84x = 1,287,076.66 - Step 5: Solve for x
x = 1,287,076.66/932.84 - Step 6: Final answer
x = 1,379.74
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Why These Related Problems?
These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.