Finding the Fourth Proportional to 427.10, 589.68 and 277.79
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Solution
The fourth proportional to 427.10, 589.68 and 277.79 is: 383.53
Step by Step Solution
- Step 1: Write the proportion equation
427.10 : 589.68 = 277.79 : x - Step 2: Convert to fraction form
427.10/589.68 = 277.79/x - Step 3: Cross multiply
427.10x = 589.68 × 277.79 - Step 4: Simplify right side
427.10x = 163,804.26 - Step 5: Solve for x
x = 163,804.26/427.10 - Step 6: Final answer
x = 383.53
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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.