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Finding the Fourth Proportional to 341.74, 512.25 and 250.30

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Solution

The fourth proportional to 341.74, 512.25 and 250.30 is: 375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.74 : 512.25 = 250.30 : x
  2. Step 2: Convert to fraction form
    341.74/512.25 = 250.30/x
  3. Step 3: Cross multiply
    341.74x = 512.25 × 250.30
  4. Step 4: Simplify right side
    341.74x = 128,216.18
  5. Step 5: Solve for x
    x = 128,216.18/341.74
  6. Step 6: Final answer
    x = 375.19

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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.