Finding the Fourth Proportional to 821.24, 1,132 and 599.84
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Solution
The fourth proportional to 821.24, 1,132 and 599.84 is: 826.82
Step by Step Solution
- Step 1: Write the proportion equation
821.24 : 1,132 = 599.84 : x - Step 2: Convert to fraction form
821.24/1,132 = 599.84/x - Step 3: Cross multiply
821.24x = 1,132 × 599.84 - Step 4: Simplify right side
821.24x = 679,018.88 - Step 5: Solve for x
x = 679,018.88/821.24 - Step 6: Final answer
x = 826.82
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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.