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Finding the Fourth Proportional to 637.85, 957.03 and 227.00

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Solution

The fourth proportional to 637.85, 957.03 and 227.00 is: 340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.85 : 957.03 = 227.00 : x
  2. Step 2: Convert to fraction form
    637.85/957.03 = 227.00/x
  3. Step 3: Cross multiply
    637.85x = 957.03 × 227.00
  4. Step 4: Simplify right side
    637.85x = 217,248.20
  5. Step 5: Solve for x
    x = 217,248.20/637.85
  6. Step 6: Final answer
    x = 340.59

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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.