Finding the Fourth Proportional to 434.99, 652.63 and 191.48
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Solution
The fourth proportional to 434.99, 652.63 and 191.48 is: 287.28
Step by Step Solution
- Step 1: Write the proportion equation
434.99 : 652.63 = 191.48 : x - Step 2: Convert to fraction form
434.99/652.63 = 191.48/x - Step 3: Cross multiply
434.99x = 652.63 × 191.48 - Step 4: Simplify right side
434.99x = 124,964.44 - Step 5: Solve for x
x = 124,964.44/434.99 - Step 6: Final answer
x = 287.28
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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.