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Finding the Fourth Proportional to 333.67, 500.58 and 111.32

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Solution

The fourth proportional to 333.67, 500.58 and 111.32 is: 167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.67 : 500.58 = 111.32 : x
  2. Step 2: Convert to fraction form
    333.67/500.58 = 111.32/x
  3. Step 3: Cross multiply
    333.67x = 500.58 × 111.32
  4. Step 4: Simplify right side
    333.67x = 55,726.76
  5. Step 5: Solve for x
    x = 55,726.76/333.67
  6. Step 6: Final answer
    x = 167.01

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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.