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Finding the Fourth Proportional to 460.32, 635.20 and 263.80

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Solution

The fourth proportional to 460.32, 635.20 and 263.80 is: 364.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.32 : 635.20 = 263.80 : x
  2. Step 2: Convert to fraction form
    460.32/635.20 = 263.80/x
  3. Step 3: Cross multiply
    460.32x = 635.20 × 263.80
  4. Step 4: Simplify right side
    460.32x = 167,565.76
  5. Step 5: Solve for x
    x = 167,565.76/460.32
  6. Step 6: Final answer
    x = 364.02

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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.