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Finding the Fourth Proportional to 460.24, 634.91 and 302.81

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Solution

The fourth proportional to 460.24, 634.91 and 302.81 is: 417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.24 : 634.91 = 302.81 : x
  2. Step 2: Convert to fraction form
    460.24/634.91 = 302.81/x
  3. Step 3: Cross multiply
    460.24x = 634.91 × 302.81
  4. Step 4: Simplify right side
    460.24x = 192,257.10
  5. Step 5: Solve for x
    x = 192,257.10/460.24
  6. Step 6: Final answer
    x = 417.73

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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.