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Finding the Fourth Proportional to 460.76, 635.84 and 250.93

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Solution

The fourth proportional to 460.76, 635.84 and 250.93 is: 346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.76 : 635.84 = 250.93 : x
  2. Step 2: Convert to fraction form
    460.76/635.84 = 250.93/x
  3. Step 3: Cross multiply
    460.76x = 635.84 × 250.93
  4. Step 4: Simplify right side
    460.76x = 159,551.81
  5. Step 5: Solve for x
    x = 159,551.81/460.76
  6. Step 6: Final answer
    x = 346.28

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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.