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Finding the Fourth Proportional to 110.50, 152.17 and 110.16

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Solution

The fourth proportional to 110.50, 152.17 and 110.16 is: 151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.50 : 152.17 = 110.16 : x
  2. Step 2: Convert to fraction form
    110.50/152.17 = 110.16/x
  3. Step 3: Cross multiply
    110.50x = 152.17 × 110.16
  4. Step 4: Simplify right side
    110.50x = 16,762.77
  5. Step 5: Solve for x
    x = 16,762.77/110.50
  6. Step 6: Final answer
    x = 151.70

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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.