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Finding the Fourth Proportional to 577.01, 865.52 and 284.49

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Solution

The fourth proportional to 577.01, 865.52 and 284.49 is: 426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577.01 : 865.52 = 284.49 : x
  2. Step 2: Convert to fraction form
    577.01/865.52 = 284.49/x
  3. Step 3: Cross multiply
    577.01x = 865.52 × 284.49
  4. Step 4: Simplify right side
    577.01x = 246,230.36
  5. Step 5: Solve for x
    x = 246,230.36/577.01
  6. Step 6: Final answer
    x = 426.74

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