Finding the Fourth Proportional to 351.68, 526.62 and 243.68
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Solution
The fourth proportional to 351.68, 526.62 and 243.68 is: 364.90
Step by Step Solution
- Step 1: Write the proportion equation
351.68 : 526.62 = 243.68 : x - Step 2: Convert to fraction form
351.68/526.62 = 243.68/x - Step 3: Cross multiply
351.68x = 526.62 × 243.68 - Step 4: Simplify right side
351.68x = 128,326.76 - Step 5: Solve for x
x = 128,326.76/351.68 - Step 6: Final answer
x = 364.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.