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Finding the Fourth Proportional to 106.02, 158.88 and 48.22

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Solution

The fourth proportional to 106.02, 158.88 and 48.22 is: 72.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.02 : 158.88 = 48.22 : x
  2. Step 2: Convert to fraction form
    106.02/158.88 = 48.22/x
  3. Step 3: Cross multiply
    106.02x = 158.88 × 48.22
  4. Step 4: Simplify right side
    106.02x = 7,661.19
  5. Step 5: Solve for x
    x = 7,661.19/106.02
  6. Step 6: Final answer
    x = 72.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.