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Finding the Fourth Proportional to 450.95, 622.62 and 352.53

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Solution

The fourth proportional to 450.95, 622.62 and 352.53 is: 486.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.95 : 622.62 = 352.53 : x
  2. Step 2: Convert to fraction form
    450.95/622.62 = 352.53/x
  3. Step 3: Cross multiply
    450.95x = 622.62 × 352.53
  4. Step 4: Simplify right side
    450.95x = 219,492.23
  5. Step 5: Solve for x
    x = 219,492.23/450.95
  6. Step 6: Final answer
    x = 486.74

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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.