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Finding the Fourth Proportional to 344.66, 476.27 and 251.25

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Solution

The fourth proportional to 344.66, 476.27 and 251.25 is: 347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.66 : 476.27 = 251.25 : x
  2. Step 2: Convert to fraction form
    344.66/476.27 = 251.25/x
  3. Step 3: Cross multiply
    344.66x = 476.27 × 251.25
  4. Step 4: Simplify right side
    344.66x = 119,661.16
  5. Step 5: Solve for x
    x = 119,661.16/344.66
  6. Step 6: Final answer
    x = 347.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.