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Finding the Fourth Proportional to 474.13, 653.59 and 333.79

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Solution

The fourth proportional to 474.13, 653.59 and 333.79 is: 460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.13 : 653.59 = 333.79 : x
  2. Step 2: Convert to fraction form
    474.13/653.59 = 333.79/x
  3. Step 3: Cross multiply
    474.13x = 653.59 × 333.79
  4. Step 4: Simplify right side
    474.13x = 218,161.81
  5. Step 5: Solve for x
    x = 218,161.81/474.13
  6. Step 6: Final answer
    x = 460.13

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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.