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Finding the Fourth Proportional to 333.58, 459.92 and 202.54

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Solution

The fourth proportional to 333.58, 459.92 and 202.54 is: 279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.58 : 459.92 = 202.54 : x
  2. Step 2: Convert to fraction form
    333.58/459.92 = 202.54/x
  3. Step 3: Cross multiply
    333.58x = 459.92 × 202.54
  4. Step 4: Simplify right side
    333.58x = 93,152.20
  5. Step 5: Solve for x
    x = 93,152.20/333.58
  6. Step 6: Final answer
    x = 279.25

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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.