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Finding the Fourth Proportional to 460.76, 635.44 and 294.91

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Solution

The fourth proportional to 460.76, 635.44 and 294.91 is: 406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.76 : 635.44 = 294.91 : x
  2. Step 2: Convert to fraction form
    460.76/635.44 = 294.91/x
  3. Step 3: Cross multiply
    460.76x = 635.44 × 294.91
  4. Step 4: Simplify right side
    460.76x = 187,392.96
  5. Step 5: Solve for x
    x = 187,392.96/460.76
  6. Step 6: Final answer
    x = 406.71

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Find fourth proportional to 230.38, 317.72 and 147.45
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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.