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Finding the Fourth Proportional to 244.07, 336.93 and 156.79

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Solution

The fourth proportional to 244.07, 336.93 and 156.79 is: 216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.07 : 336.93 = 156.79 : x
  2. Step 2: Convert to fraction form
    244.07/336.93 = 156.79/x
  3. Step 3: Cross multiply
    244.07x = 336.93 × 156.79
  4. Step 4: Simplify right side
    244.07x = 52,826.41
  5. Step 5: Solve for x
    x = 52,826.41/244.07
  6. Step 6: Final answer
    x = 216.44

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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.