Finding the Fourth Proportional to 543.64, 750.18 and 347.08
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Solution
The fourth proportional to 543.64, 750.18 and 347.08 is: 478.94
Step by Step Solution
- Step 1: Write the proportion equation
543.64 : 750.18 = 347.08 : x - Step 2: Convert to fraction form
543.64/750.18 = 347.08/x - Step 3: Cross multiply
543.64x = 750.18 × 347.08 - Step 4: Simplify right side
543.64x = 260,372.47 - Step 5: Solve for x
x = 260,372.47/543.64 - Step 6: Final answer
x = 478.94
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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.