Finding the Fourth Proportional to 975.09, 1,345.62 and 532.99
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Solution
The fourth proportional to 975.09, 1,345.62 and 532.99 is: 735.52
Step by Step Solution
- Step 1: Write the proportion equation
975.09 : 1,345.62 = 532.99 : x - Step 2: Convert to fraction form
975.09/1,345.62 = 532.99/x - Step 3: Cross multiply
975.09x = 1,345.62 × 532.99 - Step 4: Simplify right side
975.09x = 717,202.00 - Step 5: Solve for x
x = 717,202.00/975.09 - Step 6: Final answer
x = 735.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.