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Finding the Fourth Proportional to 460.10, 634.67 and 294.25

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Solution

The fourth proportional to 460.10, 634.67 and 294.25 is: 405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.10 : 634.67 = 294.25 : x
  2. Step 2: Convert to fraction form
    460.10/634.67 = 294.25/x
  3. Step 3: Cross multiply
    460.10x = 634.67 × 294.25
  4. Step 4: Simplify right side
    460.10x = 186,752.67
  5. Step 5: Solve for x
    x = 186,752.67/460.10
  6. Step 6: Final answer
    x = 405.90

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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.