Finding the Fourth Proportional to 336.99, 465.05 and 189.64
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Solution
The fourth proportional to 336.99, 465.05 and 189.64 is: 261.71
Step by Step Solution
- Step 1: Write the proportion equation
336.99 : 465.05 = 189.64 : x - Step 2: Convert to fraction form
336.99/465.05 = 189.64/x - Step 3: Cross multiply
336.99x = 465.05 × 189.64 - Step 4: Simplify right side
336.99x = 88,192.08 - Step 5: Solve for x
x = 88,192.08/336.99 - Step 6: Final answer
x = 261.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.