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Finding the Fourth Proportional to 250.00, 374.94 and 151.22

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Solution

The fourth proportional to 250.00, 374.94 and 151.22 is: 226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.00 : 374.94 = 151.22 : x
  2. Step 2: Convert to fraction form
    250.00/374.94 = 151.22/x
  3. Step 3: Cross multiply
    250.00x = 374.94 × 151.22
  4. Step 4: Simplify right side
    250.00x = 56,699.36
  5. Step 5: Solve for x
    x = 56,699.36/250.00
  6. Step 6: Final answer
    x = 226.80

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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.