Home / 626.02-938.37-260.30

Finding the Fourth Proportional to 626.02, 938.37 and 260.30

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Solution

The fourth proportional to 626.02, 938.37 and 260.30 is: 390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.02 : 938.37 = 260.30 : x
  2. Step 2: Convert to fraction form
    626.02/938.37 = 260.30/x
  3. Step 3: Cross multiply
    626.02x = 938.37 × 260.30
  4. Step 4: Simplify right side
    626.02x = 244,257.71
  5. Step 5: Solve for x
    x = 244,257.71/626.02
  6. Step 6: Final answer
    x = 390.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.