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Finding the Fourth Proportional to 441.24, 608.76 and 254.76

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Solution

The fourth proportional to 441.24, 608.76 and 254.76 is: 351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.24 : 608.76 = 254.76 : x
  2. Step 2: Convert to fraction form
    441.24/608.76 = 254.76/x
  3. Step 3: Cross multiply
    441.24x = 608.76 × 254.76
  4. Step 4: Simplify right side
    441.24x = 155,087.70
  5. Step 5: Solve for x
    x = 155,087.70/441.24
  6. Step 6: Final answer
    x = 351.48

Related Problems

Find fourth proportional to 220.62, 304.38 and 127.38
Half scale
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Double scale
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Similar ratio
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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.