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Finding the Fourth Proportional to 567.27, 846.45 and 515.03

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Solution

The fourth proportional to 567.27, 846.45 and 515.03 is: 768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.27 : 846.45 = 515.03 : x
  2. Step 2: Convert to fraction form
    567.27/846.45 = 515.03/x
  3. Step 3: Cross multiply
    567.27x = 846.45 × 515.03
  4. Step 4: Simplify right side
    567.27x = 435,942.91
  5. Step 5: Solve for x
    x = 435,942.91/567.27
  6. Step 6: Final answer
    x = 768.49

Related Problems

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