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Finding the Fourth Proportional to 560.69, 774.01 and 336.73

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Solution

The fourth proportional to 560.69, 774.01 and 336.73 is: 464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.69 : 774.01 = 336.73 : x
  2. Step 2: Convert to fraction form
    560.69/774.01 = 336.73/x
  3. Step 3: Cross multiply
    560.69x = 774.01 × 336.73
  4. Step 4: Simplify right side
    560.69x = 260,635.45
  5. Step 5: Solve for x
    x = 260,635.45/560.69
  6. Step 6: Final answer
    x = 464.85

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Double scale
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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.