Finding the Fourth Proportional to 343.99, 474.71 and 186.63
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Solution
The fourth proportional to 343.99, 474.71 and 186.63 is: 257.55
Step by Step Solution
- Step 1: Write the proportion equation
343.99 : 474.71 = 186.63 : x - Step 2: Convert to fraction form
343.99/474.71 = 186.63/x - Step 3: Cross multiply
343.99x = 474.71 × 186.63 - Step 4: Simplify right side
343.99x = 88,595.13 - Step 5: Solve for x
x = 88,595.13/343.99 - Step 6: Final answer
x = 257.55
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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.