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Finding the Fourth Proportional to 113.00, 155.12 and 110.16

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Solution

The fourth proportional to 113.00, 155.12 and 110.16 is: 151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.00 : 155.12 = 110.16 : x
  2. Step 2: Convert to fraction form
    113.00/155.12 = 110.16/x
  3. Step 3: Cross multiply
    113.00x = 155.12 × 110.16
  4. Step 4: Simplify right side
    113.00x = 17,087.47
  5. Step 5: Solve for x
    x = 17,087.47/113.00
  6. Step 6: Final answer
    x = 151.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.