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Finding the Fourth Proportional to 336.03, 463.72 and 188.66

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Solution

The fourth proportional to 336.03, 463.72 and 188.66 is: 260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.03 : 463.72 = 188.66 : x
  2. Step 2: Convert to fraction form
    336.03/463.72 = 188.66/x
  3. Step 3: Cross multiply
    336.03x = 463.72 × 188.66
  4. Step 4: Simplify right side
    336.03x = 87,486.99
  5. Step 5: Solve for x
    x = 87,486.99/336.03
  6. Step 6: Final answer
    x = 260.36

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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.