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Finding the Fourth Proportional to 603.48, 832.75 and 446.21

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Solution

The fourth proportional to 603.48, 832.75 and 446.21 is: 615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.48 : 832.75 = 446.21 : x
  2. Step 2: Convert to fraction form
    603.48/832.75 = 446.21/x
  3. Step 3: Cross multiply
    603.48x = 832.75 × 446.21
  4. Step 4: Simplify right side
    603.48x = 371,581.38
  5. Step 5: Solve for x
    x = 371,581.38/603.48
  6. Step 6: Final answer
    x = 615.73

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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.