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Finding the Fourth Proportional to 648.92, 894.84 and 483.14

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Solution

The fourth proportional to 648.92, 894.84 and 483.14 is: 666.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    648.92 : 894.84 = 483.14 : x
  2. Step 2: Convert to fraction form
    648.92/894.84 = 483.14/x
  3. Step 3: Cross multiply
    648.92x = 894.84 × 483.14
  4. Step 4: Simplify right side
    648.92x = 432,333.00
  5. Step 5: Solve for x
    x = 432,333.00/648.92
  6. Step 6: Final answer
    x = 666.23

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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.