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Finding the Fourth Proportional to 71.00, 98.03 and 50.34

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Solution

The fourth proportional to 71.00, 98.03 and 50.34 is: 69.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71.00 : 98.03 = 50.34 : x
  2. Step 2: Convert to fraction form
    71.00/98.03 = 50.34/x
  3. Step 3: Cross multiply
    71.00x = 98.03 × 50.34
  4. Step 4: Simplify right side
    71.00x = 4,934.58
  5. Step 5: Solve for x
    x = 4,934.58/71.00
  6. Step 6: Final answer
    x = 69.51

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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.