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Finding the Fourth Proportional to 334.80, 500.66 and 242.54

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Solution

The fourth proportional to 334.80, 500.66 and 242.54 is: 362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.80 : 500.66 = 242.54 : x
  2. Step 2: Convert to fraction form
    334.80/500.66 = 242.54/x
  3. Step 3: Cross multiply
    334.80x = 500.66 × 242.54
  4. Step 4: Simplify right side
    334.80x = 121,426.36
  5. Step 5: Solve for x
    x = 121,426.36/334.80
  6. Step 6: Final answer
    x = 362.68

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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.