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Finding the Fourth Proportional to 250.07, 371.95 and 228.15

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Solution

The fourth proportional to 250.07, 371.95 and 228.15 is: 339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.07 : 371.95 = 228.15 : x
  2. Step 2: Convert to fraction form
    250.07/371.95 = 228.15/x
  3. Step 3: Cross multiply
    250.07x = 371.95 × 228.15
  4. Step 4: Simplify right side
    250.07x = 84,859.82
  5. Step 5: Solve for x
    x = 84,859.82/250.07
  6. Step 6: Final answer
    x = 339.35

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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.