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Finding the Fourth Proportional to 244.30, 337.08 and 156.94

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Solution

The fourth proportional to 244.30, 337.08 and 156.94 is: 216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.30 : 337.08 = 156.94 : x
  2. Step 2: Convert to fraction form
    244.30/337.08 = 156.94/x
  3. Step 3: Cross multiply
    244.30x = 337.08 × 156.94
  4. Step 4: Simplify right side
    244.30x = 52,901.34
  5. Step 5: Solve for x
    x = 52,901.34/244.30
  6. Step 6: Final answer
    x = 216.54

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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.