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Finding the Fourth Proportional to 613.49, 846.03 and 411.24

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Solution

The fourth proportional to 613.49, 846.03 and 411.24 is: 567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.49 : 846.03 = 411.24 : x
  2. Step 2: Convert to fraction form
    613.49/846.03 = 411.24/x
  3. Step 3: Cross multiply
    613.49x = 846.03 × 411.24
  4. Step 4: Simplify right side
    613.49x = 347,921.38
  5. Step 5: Solve for x
    x = 347,921.38/613.49
  6. Step 6: Final answer
    x = 567.12

Related Problems

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.