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Finding the Fourth Proportional to 673.94, 929.66 and 626.37

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Solution

The fourth proportional to 673.94, 929.66 and 626.37 is: 864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    673.94 : 929.66 = 626.37 : x
  2. Step 2: Convert to fraction form
    673.94/929.66 = 626.37/x
  3. Step 3: Cross multiply
    673.94x = 929.66 × 626.37
  4. Step 4: Simplify right side
    673.94x = 582,311.13
  5. Step 5: Solve for x
    x = 582,311.13/673.94
  6. Step 6: Final answer
    x = 864.04

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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.