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Finding the Fourth Proportional to 635.46, 948.08 and 569.39

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Solution

The fourth proportional to 635.46, 948.08 and 569.39 is: 849.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.46 : 948.08 = 569.39 : x
  2. Step 2: Convert to fraction form
    635.46/948.08 = 569.39/x
  3. Step 3: Cross multiply
    635.46x = 948.08 × 569.39
  4. Step 4: Simplify right side
    635.46x = 539,819.68
  5. Step 5: Solve for x
    x = 539,819.68/635.46
  6. Step 6: Final answer
    x = 849.49

Related Problems

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Half scale
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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.