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Finding the Fourth Proportional to 549.06, 823.32 and 183.72

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Solution

The fourth proportional to 549.06, 823.32 and 183.72 is: 275.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.06 : 823.32 = 183.72 : x
  2. Step 2: Convert to fraction form
    549.06/823.32 = 183.72/x
  3. Step 3: Cross multiply
    549.06x = 823.32 × 183.72
  4. Step 4: Simplify right side
    549.06x = 151,260.35
  5. Step 5: Solve for x
    x = 151,260.35/549.06
  6. Step 6: Final answer
    x = 275.49

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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.