Finding the Fourth Proportional to 302.92, 417.71 and 232.99
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Solution
The fourth proportional to 302.92, 417.71 and 232.99 is: 321.27
Step by Step Solution
- Step 1: Write the proportion equation
302.92 : 417.71 = 232.99 : x - Step 2: Convert to fraction form
302.92/417.71 = 232.99/x - Step 3: Cross multiply
302.92x = 417.71 × 232.99 - Step 4: Simplify right side
302.92x = 97,319.00 - Step 5: Solve for x
x = 97,319.00/302.92 - Step 6: Final answer
x = 321.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.