Finding the Fourth Proportional to 344.20, 474.99 and 188.95
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Solution
The fourth proportional to 344.20, 474.99 and 188.95 is: 260.75
Step by Step Solution
- Step 1: Write the proportion equation
344.20 : 474.99 = 188.95 : x - Step 2: Convert to fraction form
344.20/474.99 = 188.95/x - Step 3: Cross multiply
344.20x = 474.99 × 188.95 - Step 4: Simplify right side
344.20x = 89,749.36 - Step 5: Solve for x
x = 89,749.36/344.20 - Step 6: Final answer
x = 260.75
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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.