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Finding the Fourth Proportional to 333.55, 460.32 and 186.21

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Solution

The fourth proportional to 333.55, 460.32 and 186.21 is: 256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.55 : 460.32 = 186.21 : x
  2. Step 2: Convert to fraction form
    333.55/460.32 = 186.21/x
  3. Step 3: Cross multiply
    333.55x = 460.32 × 186.21
  4. Step 4: Simplify right side
    333.55x = 85,715.77
  5. Step 5: Solve for x
    x = 85,715.77/333.55
  6. Step 6: Final answer
    x = 256.98

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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.