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Finding the Fourth Proportional to 429.44, 592.70 and 254.76

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Solution

The fourth proportional to 429.44, 592.70 and 254.76 is: 351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.44 : 592.70 = 254.76 : x
  2. Step 2: Convert to fraction form
    429.44/592.70 = 254.76/x
  3. Step 3: Cross multiply
    429.44x = 592.70 × 254.76
  4. Step 4: Simplify right side
    429.44x = 150,996.25
  5. Step 5: Solve for x
    x = 150,996.25/429.44
  6. Step 6: Final answer
    x = 351.61

Related Problems

Find fourth proportional to 214.72, 296.35 and 127.38
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Double scale
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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.