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Finding the Fourth Proportional to 696.89, 956.52 and 626.15

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Solution

The fourth proportional to 696.89, 956.52 and 626.15 is: 859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.89 : 956.52 = 626.15 : x
  2. Step 2: Convert to fraction form
    696.89/956.52 = 626.15/x
  3. Step 3: Cross multiply
    696.89x = 956.52 × 626.15
  4. Step 4: Simplify right side
    696.89x = 598,927.39
  5. Step 5: Solve for x
    x = 598,927.39/696.89
  6. Step 6: Final answer
    x = 859.43

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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.