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Finding the Fourth Proportional to 549.12, 757.86 and 362.76

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Solution

The fourth proportional to 549.12, 757.86 and 362.76 is: 500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    549.12 : 757.86 = 362.76 : x
  2. Step 2: Convert to fraction form
    549.12/757.86 = 362.76/x
  3. Step 3: Cross multiply
    549.12x = 757.86 × 362.76
  4. Step 4: Simplify right side
    549.12x = 274,921.29
  5. Step 5: Solve for x
    x = 274,921.29/549.12
  6. Step 6: Final answer
    x = 500.66

Related Problems

Find fourth proportional to 274.56, 378.93 and 181.38
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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.