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Finding the Fourth Proportional to 608.92, 839.82 and 551.32

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Solution

The fourth proportional to 608.92, 839.82 and 551.32 is: 760.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.92 : 839.82 = 551.32 : x
  2. Step 2: Convert to fraction form
    608.92/839.82 = 551.32/x
  3. Step 3: Cross multiply
    608.92x = 839.82 × 551.32
  4. Step 4: Simplify right side
    608.92x = 463,009.56
  5. Step 5: Solve for x
    x = 463,009.56/608.92
  6. Step 6: Final answer
    x = 760.38

Related Problems

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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.