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Finding the Fourth Proportional to 607.54, 836.84 and 567.22

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Solution

The fourth proportional to 607.54, 836.84 and 567.22 is: 781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.54 : 836.84 = 567.22 : x
  2. Step 2: Convert to fraction form
    607.54/836.84 = 567.22/x
  3. Step 3: Cross multiply
    607.54x = 836.84 × 567.22
  4. Step 4: Simplify right side
    607.54x = 474,672.38
  5. Step 5: Solve for x
    x = 474,672.38/607.54
  6. Step 6: Final answer
    x = 781.30

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.