Finding the Fourth Proportional to 435.19, 652.99 and 191.68
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Solution
The fourth proportional to 435.19, 652.99 and 191.68 is: 287.61
Step by Step Solution
- Step 1: Write the proportion equation
435.19 : 652.99 = 191.68 : x - Step 2: Convert to fraction form
435.19/652.99 = 191.68/x - Step 3: Cross multiply
435.19x = 652.99 × 191.68 - Step 4: Simplify right side
435.19x = 125,165.12 - Step 5: Solve for x
x = 125,165.12/435.19 - Step 6: Final answer
x = 287.61
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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.