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Finding the Fourth Proportional to 251.54, 375.36 and 228.53

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Solution

The fourth proportional to 251.54, 375.36 and 228.53 is: 341.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.54 : 375.36 = 228.53 : x
  2. Step 2: Convert to fraction form
    251.54/375.36 = 228.53/x
  3. Step 3: Cross multiply
    251.54x = 375.36 × 228.53
  4. Step 4: Simplify right side
    251.54x = 85,782.27
  5. Step 5: Solve for x
    x = 85,782.27/251.54
  6. Step 6: Final answer
    x = 341.02

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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.