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Finding the Fourth Proportional to 460.66, 635.71 and 253.66

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Solution

The fourth proportional to 460.66, 635.71 and 253.66 is: 350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.66 : 635.71 = 253.66 : x
  2. Step 2: Convert to fraction form
    460.66/635.71 = 253.66/x
  3. Step 3: Cross multiply
    460.66x = 635.71 × 253.66
  4. Step 4: Simplify right side
    460.66x = 161,251.02
  5. Step 5: Solve for x
    x = 161,251.02/460.66
  6. Step 6: Final answer
    x = 350.05

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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.