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Finding the Fourth Proportional to 711.37, 975.19 and 700.03

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Solution

The fourth proportional to 711.37, 975.19 and 700.03 is: 959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    711.37 : 975.19 = 700.03 : x
  2. Step 2: Convert to fraction form
    711.37/975.19 = 700.03/x
  3. Step 3: Cross multiply
    711.37x = 975.19 × 700.03
  4. Step 4: Simplify right side
    711.37x = 682,662.26
  5. Step 5: Solve for x
    x = 682,662.26/711.37
  6. Step 6: Final answer
    x = 959.64

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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.