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Finding the Fourth Proportional to 341.64, 511.67 and 250.11

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Solution

The fourth proportional to 341.64, 511.67 and 250.11 is: 374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.64 : 511.67 = 250.11 : x
  2. Step 2: Convert to fraction form
    341.64/511.67 = 250.11/x
  3. Step 3: Cross multiply
    341.64x = 511.67 × 250.11
  4. Step 4: Simplify right side
    341.64x = 127,973.78
  5. Step 5: Solve for x
    x = 127,973.78/341.64
  6. Step 6: Final answer
    x = 374.59

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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.