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Finding the Fourth Proportional to 152.24, 210.03 and 110.70

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Solution

The fourth proportional to 152.24, 210.03 and 110.70 is: 152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.24 : 210.03 = 110.70 : x
  2. Step 2: Convert to fraction form
    152.24/210.03 = 110.70/x
  3. Step 3: Cross multiply
    152.24x = 210.03 × 110.70
  4. Step 4: Simplify right side
    152.24x = 23,250.32
  5. Step 5: Solve for x
    x = 23,250.32/152.24
  6. Step 6: Final answer
    x = 152.73

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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.