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Finding the Fourth Proportional to 608.11, 912.12 and 238.02

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Solution

The fourth proportional to 608.11, 912.12 and 238.02 is: 357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.11 : 912.12 = 238.02 : x
  2. Step 2: Convert to fraction form
    608.11/912.12 = 238.02/x
  3. Step 3: Cross multiply
    608.11x = 912.12 × 238.02
  4. Step 4: Simplify right side
    608.11x = 217,098.49
  5. Step 5: Solve for x
    x = 217,098.49/608.11
  6. Step 6: Final answer
    x = 357.01

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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.