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Finding the Fourth Proportional to 47.17, 70.29 and 44.14

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Solution

The fourth proportional to 47.17, 70.29 and 44.14 is: 65.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.17 : 70.29 = 44.14 : x
  2. Step 2: Convert to fraction form
    47.17/70.29 = 44.14/x
  3. Step 3: Cross multiply
    47.17x = 70.29 × 44.14
  4. Step 4: Simplify right side
    47.17x = 3,102.25
  5. Step 5: Solve for x
    x = 3,102.25/47.17
  6. Step 6: Final answer
    x = 65.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.