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Finding the Fourth Proportional to 475.30, 712.50 and 166.96

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Solution

The fourth proportional to 475.30, 712.50 and 166.96 is: 250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.30 : 712.50 = 166.96 : x
  2. Step 2: Convert to fraction form
    475.30/712.50 = 166.96/x
  3. Step 3: Cross multiply
    475.30x = 712.50 × 166.96
  4. Step 4: Simplify right side
    475.30x = 118,959
  5. Step 5: Solve for x
    x = 118,959/475.30
  6. Step 6: Final answer
    x = 250.28

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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.