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Finding the Fourth Proportional to 616.32, 849.60 and 441.36

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Solution

The fourth proportional to 616.32, 849.60 and 441.36 is: 608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.32 : 849.60 = 441.36 : x
  2. Step 2: Convert to fraction form
    616.32/849.60 = 441.36/x
  3. Step 3: Cross multiply
    616.32x = 849.60 × 441.36
  4. Step 4: Simplify right side
    616.32x = 374,979.46
  5. Step 5: Solve for x
    x = 374,979.46/616.32
  6. Step 6: Final answer
    x = 608.42

Related Problems

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.