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Finding the Fourth Proportional to 333.48, 500.13 and 160.05

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Solution

The fourth proportional to 333.48, 500.13 and 160.05 is: 240.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.48 : 500.13 = 160.05 : x
  2. Step 2: Convert to fraction form
    333.48/500.13 = 160.05/x
  3. Step 3: Cross multiply
    333.48x = 500.13 × 160.05
  4. Step 4: Simplify right side
    333.48x = 80,045.81
  5. Step 5: Solve for x
    x = 80,045.81/333.48
  6. Step 6: Final answer
    x = 240.03

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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.