Finding the Fourth Proportional to 316.24, 472.97 and 194.58
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Solution
The fourth proportional to 316.24, 472.97 and 194.58 is: 291.02
Step by Step Solution
- Step 1: Write the proportion equation
316.24 : 472.97 = 194.58 : x - Step 2: Convert to fraction form
316.24/472.97 = 194.58/x - Step 3: Cross multiply
316.24x = 472.97 × 194.58 - Step 4: Simplify right side
316.24x = 92,030.99 - Step 5: Solve for x
x = 92,030.99/316.24 - Step 6: Final answer
x = 291.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.