Finding the Fourth Proportional to 964, 1,446 and 356
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Solution
The fourth proportional to 964, 1,446 and 356 is: 534
Step by Step Solution
- Step 1: Write the proportion equation
964 : 1,446 = 356 : x - Step 2: Convert to fraction form
964/1,446 = 356/x - Step 3: Cross multiply
964x = 1,446 × 356 - Step 4: Simplify right side
964x = 514,776 - Step 5: Solve for x
x = 514,776/964 - Step 6: Final answer
x = 534
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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.