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Finding the Fourth Proportional to 223.32, 335 and 101.55

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Solution

The fourth proportional to 223.32, 335 and 101.55 is: 152.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.32 : 335 = 101.55 : x
  2. Step 2: Convert to fraction form
    223.32/335 = 101.55/x
  3. Step 3: Cross multiply
    223.32x = 335 × 101.55
  4. Step 4: Simplify right side
    223.32x = 34,019.25
  5. Step 5: Solve for x
    x = 34,019.25/223.32
  6. Step 6: Final answer
    x = 152.33

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Why These Related Problems?

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