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Finding the Fourth Proportional to 341.64, 511.38 and 250.23

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Solution

The fourth proportional to 341.64, 511.38 and 250.23 is: 374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.64 : 511.38 = 250.23 : x
  2. Step 2: Convert to fraction form
    341.64/511.38 = 250.23/x
  3. Step 3: Cross multiply
    341.64x = 511.38 × 250.23
  4. Step 4: Simplify right side
    341.64x = 127,962.62
  5. Step 5: Solve for x
    x = 127,962.62/341.64
  6. Step 6: Final answer
    x = 374.55

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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.