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Finding the Fourth Proportional to 774.99, 1,162.48 and 364.52

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Solution

The fourth proportional to 774.99, 1,162.48 and 364.52 is: 546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    774.99 : 1,162.48 = 364.52 : x
  2. Step 2: Convert to fraction form
    774.99/1,162.48 = 364.52/x
  3. Step 3: Cross multiply
    774.99x = 1,162.48 × 364.52
  4. Step 4: Simplify right side
    774.99x = 423,747.21
  5. Step 5: Solve for x
    x = 423,747.21/774.99
  6. Step 6: Final answer
    x = 546.78

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.