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Finding the Fourth Proportional to 460.17, 634.77 and 302.76

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Solution

The fourth proportional to 460.17, 634.77 and 302.76 is: 417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.17 : 634.77 = 302.76 : x
  2. Step 2: Convert to fraction form
    460.17/634.77 = 302.76/x
  3. Step 3: Cross multiply
    460.17x = 634.77 × 302.76
  4. Step 4: Simplify right side
    460.17x = 192,182.97
  5. Step 5: Solve for x
    x = 192,182.97/460.17
  6. Step 6: Final answer
    x = 417.63

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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.