Finding the Fourth Proportional to 474.43, 654.84 and 277.99
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Solution
The fourth proportional to 474.43, 654.84 and 277.99 is: 383.70
Step by Step Solution
- Step 1: Write the proportion equation
474.43 : 654.84 = 277.99 : x - Step 2: Convert to fraction form
474.43/654.84 = 277.99/x - Step 3: Cross multiply
474.43x = 654.84 × 277.99 - Step 4: Simplify right side
474.43x = 182,038.97 - Step 5: Solve for x
x = 182,038.97/474.43 - Step 6: Final answer
x = 383.70
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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.