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Finding the Fourth Proportional to 607.03, 910.56 and 196.21

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Solution

The fourth proportional to 607.03, 910.56 and 196.21 is: 294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.03 : 910.56 = 196.21 : x
  2. Step 2: Convert to fraction form
    607.03/910.56 = 196.21/x
  3. Step 3: Cross multiply
    607.03x = 910.56 × 196.21
  4. Step 4: Simplify right side
    607.03x = 178,660.98
  5. Step 5: Solve for x
    x = 178,660.98/607.03
  6. Step 6: Final answer
    x = 294.32

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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.