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Finding the Fourth Proportional to 446.17, 669.58 and 360.53

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Solution

The fourth proportional to 446.17, 669.58 and 360.53 is: 541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    446.17 : 669.58 = 360.53 : x
  2. Step 2: Convert to fraction form
    446.17/669.58 = 360.53/x
  3. Step 3: Cross multiply
    446.17x = 669.58 × 360.53
  4. Step 4: Simplify right side
    446.17x = 241,403.68
  5. Step 5: Solve for x
    x = 241,403.68/446.17
  6. Step 6: Final answer
    x = 541.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.