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Finding the Fourth Proportional to 110.16, 152.10 and 96.36

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Solution

The fourth proportional to 110.16, 152.10 and 96.36 is: 133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.16 : 152.10 = 96.36 : x
  2. Step 2: Convert to fraction form
    110.16/152.10 = 96.36/x
  3. Step 3: Cross multiply
    110.16x = 152.10 × 96.36
  4. Step 4: Simplify right side
    110.16x = 14,656.36
  5. Step 5: Solve for x
    x = 14,656.36/110.16
  6. Step 6: Final answer
    x = 133.05

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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.