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Finding the Fourth Proportional to 673.05, 927.39 and 626.88

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Solution

The fourth proportional to 673.05, 927.39 and 626.88 is: 863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.05 : 927.39 = 626.88 : x
  2. Step 2: Convert to fraction form
    673.05/927.39 = 626.88/x
  3. Step 3: Cross multiply
    673.05x = 927.39 × 626.88
  4. Step 4: Simplify right side
    673.05x = 581,362.24
  5. Step 5: Solve for x
    x = 581,362.24/673.05
  6. Step 6: Final answer
    x = 863.77

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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.