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Finding the Fourth Proportional to 548.88, 823.24 and 183.68

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Solution

The fourth proportional to 548.88, 823.24 and 183.68 is: 275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.88 : 823.24 = 183.68 : x
  2. Step 2: Convert to fraction form
    548.88/823.24 = 183.68/x
  3. Step 3: Cross multiply
    548.88x = 823.24 × 183.68
  4. Step 4: Simplify right side
    548.88x = 151,212.72
  5. Step 5: Solve for x
    x = 151,212.72/548.88
  6. Step 6: Final answer
    x = 275.49

Related Problems

Find fourth proportional to 274.44, 411.62 and 91.84
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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.