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Finding the Fourth Proportional to 637.37, 956.02 and 226.45

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Solution

The fourth proportional to 637.37, 956.02 and 226.45 is: 339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.37 : 956.02 = 226.45 : x
  2. Step 2: Convert to fraction form
    637.37/956.02 = 226.45/x
  3. Step 3: Cross multiply
    637.37x = 956.02 × 226.45
  4. Step 4: Simplify right side
    637.37x = 216,486.40
  5. Step 5: Solve for x
    x = 216,486.40/637.37
  6. Step 6: Final answer
    x = 339.66

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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.