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Finding the Fourth Proportional to 59.06, 88.22 and 47.05

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Solution

The fourth proportional to 59.06, 88.22 and 47.05 is: 70.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.06 : 88.22 = 47.05 : x
  2. Step 2: Convert to fraction form
    59.06/88.22 = 47.05/x
  3. Step 3: Cross multiply
    59.06x = 88.22 × 47.05
  4. Step 4: Simplify right side
    59.06x = 4,150.43
  5. Step 5: Solve for x
    x = 4,150.43/59.06
  6. Step 6: Final answer
    x = 70.28

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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.