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Finding the Fourth Proportional to 554.60, 765.18 and 333.60

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Solution

The fourth proportional to 554.60, 765.18 and 333.60 is: 460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.60 : 765.18 = 333.60 : x
  2. Step 2: Convert to fraction form
    554.60/765.18 = 333.60/x
  3. Step 3: Cross multiply
    554.60x = 765.18 × 333.60
  4. Step 4: Simplify right side
    554.60x = 255,264.05
  5. Step 5: Solve for x
    x = 255,264.05/554.60
  6. Step 6: Final answer
    x = 460.27

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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.