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Finding the Fourth Proportional to 607.03, 910.45 and 196.17

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Solution

The fourth proportional to 607.03, 910.45 and 196.17 is: 294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.03 : 910.45 = 196.17 : x
  2. Step 2: Convert to fraction form
    607.03/910.45 = 196.17/x
  3. Step 3: Cross multiply
    607.03x = 910.45 × 196.17
  4. Step 4: Simplify right side
    607.03x = 178,602.98
  5. Step 5: Solve for x
    x = 178,602.98/607.03
  6. Step 6: Final answer
    x = 294.22

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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.