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Finding the Fourth Proportional to 1,232.88, 1,700.25 and 970.44

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Solution

The fourth proportional to 1,232.88, 1,700.25 and 970.44 is: 1,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.88 : 1,700.25 = 970.44 : x
  2. Step 2: Convert to fraction form
    1,232.88/1,700.25 = 970.44/x
  3. Step 3: Cross multiply
    1,232.88x = 1,700.25 × 970.44
  4. Step 4: Simplify right side
    1,232.88x = 1,649,990.61
  5. Step 5: Solve for x
    x = 1,649,990.61/1,232.88
  6. Step 6: Final answer
    x = 1,338.32

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1.5x scale

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.