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Finding the Fourth Proportional to 460.16, 635.06 and 283.16

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Solution

The fourth proportional to 460.16, 635.06 and 283.16 is: 390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.16 : 635.06 = 283.16 : x
  2. Step 2: Convert to fraction form
    460.16/635.06 = 283.16/x
  3. Step 3: Cross multiply
    460.16x = 635.06 × 283.16
  4. Step 4: Simplify right side
    460.16x = 179,824.29
  5. Step 5: Solve for x
    x = 179,824.29/460.16
  6. Step 6: Final answer
    x = 390.79

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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.