Finding the Fourth Proportional to 699.84, 966 and 490.08
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Solution
The fourth proportional to 699.84, 966 and 490.08 is: 676.47
Step by Step Solution
- Step 1: Write the proportion equation
699.84 : 966 = 490.08 : x - Step 2: Convert to fraction form
699.84/966 = 490.08/x - Step 3: Cross multiply
699.84x = 966 × 490.08 - Step 4: Simplify right side
699.84x = 473,417.28 - Step 5: Solve for x
x = 473,417.28/699.84 - Step 6: Final answer
x = 676.47
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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.