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Finding the Fourth Proportional to 572.24, 789.87 and 362.76

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Solution

The fourth proportional to 572.24, 789.87 and 362.76 is: 500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    572.24 : 789.87 = 362.76 : x
  2. Step 2: Convert to fraction form
    572.24/789.87 = 362.76/x
  3. Step 3: Cross multiply
    572.24x = 789.87 × 362.76
  4. Step 4: Simplify right side
    572.24x = 286,533.24
  5. Step 5: Solve for x
    x = 286,533.24/572.24
  6. Step 6: Final answer
    x = 500.73

Related Problems

Find fourth proportional to 286.12, 394.94 and 181.38
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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.