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Finding the Fourth Proportional to 644.80, 967.04 and 233.92

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Solution

The fourth proportional to 644.80, 967.04 and 233.92 is: 350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    644.80 : 967.04 = 233.92 : x
  2. Step 2: Convert to fraction form
    644.80/967.04 = 233.92/x
  3. Step 3: Cross multiply
    644.80x = 967.04 × 233.92
  4. Step 4: Simplify right side
    644.80x = 226,210.00
  5. Step 5: Solve for x
    x = 226,210.00/644.80
  6. Step 6: Final answer
    x = 350.82

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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.