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Finding the Fourth Proportional to 460.01, 634.19 and 445.67

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Solution

The fourth proportional to 460.01, 634.19 and 445.67 is: 614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.01 : 634.19 = 445.67 : x
  2. Step 2: Convert to fraction form
    460.01/634.19 = 445.67/x
  3. Step 3: Cross multiply
    460.01x = 634.19 × 445.67
  4. Step 4: Simplify right side
    460.01x = 282,634.06
  5. Step 5: Solve for x
    x = 282,634.06/460.01
  6. Step 6: Final answer
    x = 614.42

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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.