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Finding the Fourth Proportional to 335.60, 463.10 and 188.25

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Solution

The fourth proportional to 335.60, 463.10 and 188.25 is: 259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.60 : 463.10 = 188.25 : x
  2. Step 2: Convert to fraction form
    335.60/463.10 = 188.25/x
  3. Step 3: Cross multiply
    335.60x = 463.10 × 188.25
  4. Step 4: Simplify right side
    335.60x = 87,178.58
  5. Step 5: Solve for x
    x = 87,178.58/335.60
  6. Step 6: Final answer
    x = 259.77

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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.