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Finding the Fourth Proportional to 559.05, 771.03 and 362.76

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Solution

The fourth proportional to 559.05, 771.03 and 362.76 is: 500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.05 : 771.03 = 362.76 : x
  2. Step 2: Convert to fraction form
    559.05/771.03 = 362.76/x
  3. Step 3: Cross multiply
    559.05x = 771.03 × 362.76
  4. Step 4: Simplify right side
    559.05x = 279,698.84
  5. Step 5: Solve for x
    x = 279,698.84/559.05
  6. Step 6: Final answer
    x = 500.31

Related Problems

Find fourth proportional to 279.53, 385.52 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.