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Finding the Fourth Proportional to 504.69, 696.47 and 339.11

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Solution

The fourth proportional to 504.69, 696.47 and 339.11 is: 467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.69 : 696.47 = 339.11 : x
  2. Step 2: Convert to fraction form
    504.69/696.47 = 339.11/x
  3. Step 3: Cross multiply
    504.69x = 696.47 × 339.11
  4. Step 4: Simplify right side
    504.69x = 236,179.94
  5. Step 5: Solve for x
    x = 236,179.94/504.69
  6. Step 6: Final answer
    x = 467.97

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.