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Finding the Fourth Proportional to 333.61, 460.67 and 268.40

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Solution

The fourth proportional to 333.61, 460.67 and 268.40 is: 370.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.61 : 460.67 = 268.40 : x
  2. Step 2: Convert to fraction form
    333.61/460.67 = 268.40/x
  3. Step 3: Cross multiply
    333.61x = 460.67 × 268.40
  4. Step 4: Simplify right side
    333.61x = 123,643.64
  5. Step 5: Solve for x
    x = 123,643.64/333.61
  6. Step 6: Final answer
    x = 370.63

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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.