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Finding the Fourth Proportional to 606.62, 836.70 and 441.38

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Solution

The fourth proportional to 606.62, 836.70 and 441.38 is: 608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.62 : 836.70 = 441.38 : x
  2. Step 2: Convert to fraction form
    606.62/836.70 = 441.38/x
  3. Step 3: Cross multiply
    606.62x = 836.70 × 441.38
  4. Step 4: Simplify right side
    606.62x = 369,302.65
  5. Step 5: Solve for x
    x = 369,302.65/606.62
  6. Step 6: Final answer
    x = 608.79

Related Problems

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Half scale
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Double scale
Find fourth proportional to 607.62, 838.08 and 442.38
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.