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Finding the Fourth Proportional to 250.00, 344.77 and 156.67

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Solution

The fourth proportional to 250.00, 344.77 and 156.67 is: 216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.00 : 344.77 = 156.67 : x
  2. Step 2: Convert to fraction form
    250.00/344.77 = 156.67/x
  3. Step 3: Cross multiply
    250.00x = 344.77 × 156.67
  4. Step 4: Simplify right side
    250.00x = 54,013.86
  5. Step 5: Solve for x
    x = 54,013.86/250.00
  6. Step 6: Final answer
    x = 216.06

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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.