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Finding the Fourth Proportional to 460.08, 635.16 and 320.22

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Solution

The fourth proportional to 460.08, 635.16 and 320.22 is: 442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.08 : 635.16 = 320.22 : x
  2. Step 2: Convert to fraction form
    460.08/635.16 = 320.22/x
  3. Step 3: Cross multiply
    460.08x = 635.16 × 320.22
  4. Step 4: Simplify right side
    460.08x = 203,390.94
  5. Step 5: Solve for x
    x = 203,390.94/460.08
  6. Step 6: Final answer
    x = 442.08

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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.