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Finding the Fourth Proportional to 717.12, 983.18 and 704.16

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Solution

The fourth proportional to 717.12, 983.18 and 704.16 is: 965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    717.12 : 983.18 = 704.16 : x
  2. Step 2: Convert to fraction form
    717.12/983.18 = 704.16/x
  3. Step 3: Cross multiply
    717.12x = 983.18 × 704.16
  4. Step 4: Simplify right side
    717.12x = 692,316.03
  5. Step 5: Solve for x
    x = 692,316.03/717.12
  6. Step 6: Final answer
    x = 965.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.