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Finding the Fourth Proportional to 637.79, 956.10 and 226.83

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Solution

The fourth proportional to 637.79, 956.10 and 226.83 is: 340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.79 : 956.10 = 226.83 : x
  2. Step 2: Convert to fraction form
    637.79/956.10 = 226.83/x
  3. Step 3: Cross multiply
    637.79x = 956.10 × 226.83
  4. Step 4: Simplify right side
    637.79x = 216,869.43
  5. Step 5: Solve for x
    x = 216,869.43/637.79
  6. Step 6: Final answer
    x = 340.03

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1.5x scale

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.