Finding the Fourth Proportional to 1,141.68, 1,712.70 and 372
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Solution
The fourth proportional to 1,141.68, 1,712.70 and 372 is: 558.06
Step by Step Solution
- Step 1: Write the proportion equation
1,141.68 : 1,712.70 = 372 : x - Step 2: Convert to fraction form
1,141.68/1,712.70 = 372/x - Step 3: Cross multiply
1,141.68x = 1,712.70 × 372 - Step 4: Simplify right side
1,141.68x = 637,124.40 - Step 5: Solve for x
x = 637,124.40/1,141.68 - Step 6: Final answer
x = 558.06
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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.