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Finding the Fourth Proportional to 484.54, 669.14 and 414.18

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Solution

The fourth proportional to 484.54, 669.14 and 414.18 is: 571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.54 : 669.14 = 414.18 : x
  2. Step 2: Convert to fraction form
    484.54/669.14 = 414.18/x
  3. Step 3: Cross multiply
    484.54x = 669.14 × 414.18
  4. Step 4: Simplify right side
    484.54x = 277,144.41
  5. Step 5: Solve for x
    x = 277,144.41/484.54
  6. Step 6: Final answer
    x = 571.97

Related Problems

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Half scale
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Double scale
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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.