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Finding the Fourth Proportional to 554.69, 765.56 and 333.74

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Solution

The fourth proportional to 554.69, 765.56 and 333.74 is: 460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.69 : 765.56 = 333.74 : x
  2. Step 2: Convert to fraction form
    554.69/765.56 = 333.74/x
  3. Step 3: Cross multiply
    554.69x = 765.56 × 333.74
  4. Step 4: Simplify right side
    554.69x = 255,497.99
  5. Step 5: Solve for x
    x = 255,497.99/554.69
  6. Step 6: Final answer
    x = 460.61

Related Problems

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Double scale
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Similar ratio
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1.5x scale

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.