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Finding the Fourth Proportional to 548.24, 756.56 and 327.19

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Solution

The fourth proportional to 548.24, 756.56 and 327.19 is: 451.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.24 : 756.56 = 327.19 : x
  2. Step 2: Convert to fraction form
    548.24/756.56 = 327.19/x
  3. Step 3: Cross multiply
    548.24x = 756.56 × 327.19
  4. Step 4: Simplify right side
    548.24x = 247,538.87
  5. Step 5: Solve for x
    x = 247,538.87/548.24
  6. Step 6: Final answer
    x = 451.52

Related Problems

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Half scale
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Double scale
Find fourth proportional to 549.24, 757.94 and 328.19
Similar ratio
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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.