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Finding the Fourth Proportional to 513.36, 770.14 and 166.67

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Solution

The fourth proportional to 513.36, 770.14 and 166.67 is: 250.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    513.36 : 770.14 = 166.67 : x
  2. Step 2: Convert to fraction form
    513.36/770.14 = 166.67/x
  3. Step 3: Cross multiply
    513.36x = 770.14 × 166.67
  4. Step 4: Simplify right side
    513.36x = 128,354.97
  5. Step 5: Solve for x
    x = 128,354.97/513.36
  6. Step 6: Final answer
    x = 250.03

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1.5x scale

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.