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Finding the Fourth Proportional to 244.30, 335.35 and 216.06

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Solution

The fourth proportional to 244.30, 335.35 and 216.06 is: 296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.30 : 335.35 = 216.06 : x
  2. Step 2: Convert to fraction form
    244.30/335.35 = 216.06/x
  3. Step 3: Cross multiply
    244.30x = 335.35 × 216.06
  4. Step 4: Simplify right side
    244.30x = 72,455.72
  5. Step 5: Solve for x
    x = 72,455.72/244.30
  6. Step 6: Final answer
    x = 296.59

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.