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Finding the Fourth Proportional to 453.95, 625.35 and 360.66

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Solution

The fourth proportional to 453.95, 625.35 and 360.66 is: 496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.95 : 625.35 = 360.66 : x
  2. Step 2: Convert to fraction form
    453.95/625.35 = 360.66/x
  3. Step 3: Cross multiply
    453.95x = 625.35 × 360.66
  4. Step 4: Simplify right side
    453.95x = 225,538.73
  5. Step 5: Solve for x
    x = 225,538.73/453.95
  6. Step 6: Final answer
    x = 496.84

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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.