Finding the Fourth Proportional to 770.08, 1,153.68 and 597.28
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Solution
The fourth proportional to 770.08, 1,153.68 and 597.28 is: 894.80
Step by Step Solution
- Step 1: Write the proportion equation
770.08 : 1,153.68 = 597.28 : x - Step 2: Convert to fraction form
770.08/1,153.68 = 597.28/x - Step 3: Cross multiply
770.08x = 1,153.68 × 597.28 - Step 4: Simplify right side
770.08x = 689,069.99 - Step 5: Solve for x
x = 689,069.99/770.08 - Step 6: Final answer
x = 894.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.