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Finding the Fourth Proportional to 674.24, 928.35 and 585.38

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Solution

The fourth proportional to 674.24, 928.35 and 585.38 is: 806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.24 : 928.35 = 585.38 : x
  2. Step 2: Convert to fraction form
    674.24/928.35 = 585.38/x
  3. Step 3: Cross multiply
    674.24x = 928.35 × 585.38
  4. Step 4: Simplify right side
    674.24x = 543,439.84
  5. Step 5: Solve for x
    x = 543,439.84/674.24
  6. Step 6: Final answer
    x = 806.01

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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.