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Finding the Fourth Proportional to 333.18, 460.01 and 215.21

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Solution

The fourth proportional to 333.18, 460.01 and 215.21 is: 297.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.18 : 460.01 = 215.21 : x
  2. Step 2: Convert to fraction form
    333.18/460.01 = 215.21/x
  3. Step 3: Cross multiply
    333.18x = 460.01 × 215.21
  4. Step 4: Simplify right side
    333.18x = 98,995.38
  5. Step 5: Solve for x
    x = 98,995.38/333.18
  6. Step 6: Final answer
    x = 297.12

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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.