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Finding the Fourth Proportional to 250.60, 373.85 and 216.68

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Solution

The fourth proportional to 250.60, 373.85 and 216.68 is: 323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.60 : 373.85 = 216.68 : x
  2. Step 2: Convert to fraction form
    250.60/373.85 = 216.68/x
  3. Step 3: Cross multiply
    250.60x = 373.85 × 216.68
  4. Step 4: Simplify right side
    250.60x = 81,005.82
  5. Step 5: Solve for x
    x = 81,005.82/250.60
  6. Step 6: Final answer
    x = 323.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.