Finding the Fourth Proportional to 427.08, 589.74 and 269.99
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Solution
The fourth proportional to 427.08, 589.74 and 269.99 is: 372.81
Step by Step Solution
- Step 1: Write the proportion equation
427.08 : 589.74 = 269.99 : x - Step 2: Convert to fraction form
427.08/589.74 = 269.99/x - Step 3: Cross multiply
427.08x = 589.74 × 269.99 - Step 4: Simplify right side
427.08x = 159,219.60 - Step 5: Solve for x
x = 159,219.60/427.08 - Step 6: Final answer
x = 372.81
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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.