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Finding the Fourth Proportional to 244.80, 368.51 and 211.32

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Solution

The fourth proportional to 244.80, 368.51 and 211.32 is: 318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.80 : 368.51 = 211.32 : x
  2. Step 2: Convert to fraction form
    244.80/368.51 = 211.32/x
  3. Step 3: Cross multiply
    244.80x = 368.51 × 211.32
  4. Step 4: Simplify right side
    244.80x = 77,873.53
  5. Step 5: Solve for x
    x = 77,873.53/244.80
  6. Step 6: Final answer
    x = 318.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.