Finding the Fourth Proportional to 703.64, 971.62 and 528.68
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Solution
The fourth proportional to 703.64, 971.62 and 528.68 is: 730.03
Step by Step Solution
- Step 1: Write the proportion equation
703.64 : 971.62 = 528.68 : x - Step 2: Convert to fraction form
703.64/971.62 = 528.68/x - Step 3: Cross multiply
703.64x = 971.62 × 528.68 - Step 4: Simplify right side
703.64x = 513,676.06 - Step 5: Solve for x
x = 513,676.06/703.64 - Step 6: Final answer
x = 730.03
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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.