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Finding the Fourth Proportional to 244.01, 336.80 and 156.74

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Solution

The fourth proportional to 244.01, 336.80 and 156.74 is: 216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.01 : 336.80 = 156.74 : x
  2. Step 2: Convert to fraction form
    244.01/336.80 = 156.74/x
  3. Step 3: Cross multiply
    244.01x = 336.80 × 156.74
  4. Step 4: Simplify right side
    244.01x = 52,788.74
  5. Step 5: Solve for x
    x = 52,788.74/244.01
  6. Step 6: Final answer
    x = 216.34

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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.