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Finding the Fourth Proportional to 502.20, 693.11 and 362.77

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Solution

The fourth proportional to 502.20, 693.11 and 362.77 is: 500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.20 : 693.11 = 362.77 : x
  2. Step 2: Convert to fraction form
    502.20/693.11 = 362.77/x
  3. Step 3: Cross multiply
    502.20x = 693.11 × 362.77
  4. Step 4: Simplify right side
    502.20x = 251,438.69
  5. Step 5: Solve for x
    x = 251,438.69/502.20
  6. Step 6: Final answer
    x = 500.67

Related Problems

Find fourth proportional to 251.10, 346.56 and 181.38
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.