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Finding the Fourth Proportional to 334.30, 460.91 and 216.07

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Solution

The fourth proportional to 334.30, 460.91 and 216.07 is: 297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.30 : 460.91 = 216.07 : x
  2. Step 2: Convert to fraction form
    334.30/460.91 = 216.07/x
  3. Step 3: Cross multiply
    334.30x = 460.91 × 216.07
  4. Step 4: Simplify right side
    334.30x = 99,588.82
  5. Step 5: Solve for x
    x = 99,588.82/334.30
  6. Step 6: Final answer
    x = 297.90

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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.