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Finding the Fourth Proportional to 244.05, 336.02 and 207.15

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Solution

The fourth proportional to 244.05, 336.02 and 207.15 is: 285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.05 : 336.02 = 207.15 : x
  2. Step 2: Convert to fraction form
    244.05/336.02 = 207.15/x
  3. Step 3: Cross multiply
    244.05x = 336.02 × 207.15
  4. Step 4: Simplify right side
    244.05x = 69,605.51
  5. Step 5: Solve for x
    x = 69,605.51/244.05
  6. Step 6: Final answer
    x = 285.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.