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Finding the Fourth Proportional to 333.32, 459.96 and 202.28

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Solution

The fourth proportional to 333.32, 459.96 and 202.28 is: 279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.32 : 459.96 = 202.28 : x
  2. Step 2: Convert to fraction form
    333.32/459.96 = 202.28/x
  3. Step 3: Cross multiply
    333.32x = 459.96 × 202.28
  4. Step 4: Simplify right side
    333.32x = 93,040.71
  5. Step 5: Solve for x
    x = 93,040.71/333.32
  6. Step 6: Final answer
    x = 279.13

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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.