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Finding the Fourth Proportional to 250.04, 344.96 and 156.76

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Solution

The fourth proportional to 250.04, 344.96 and 156.76 is: 216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.04 : 344.96 = 156.76 : x
  2. Step 2: Convert to fraction form
    250.04/344.96 = 156.76/x
  3. Step 3: Cross multiply
    250.04x = 344.96 × 156.76
  4. Step 4: Simplify right side
    250.04x = 54,074.87
  5. Step 5: Solve for x
    x = 54,074.87/250.04
  6. Step 6: Final answer
    x = 216.26

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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.