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Finding the Fourth Proportional to 606.26, 837.10 and 440.86

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Solution

The fourth proportional to 606.26, 837.10 and 440.86 is: 608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.26 : 837.10 = 440.86 : x
  2. Step 2: Convert to fraction form
    606.26/837.10 = 440.86/x
  3. Step 3: Cross multiply
    606.26x = 837.10 × 440.86
  4. Step 4: Simplify right side
    606.26x = 369,043.91
  5. Step 5: Solve for x
    x = 369,043.91/606.26
  6. Step 6: Final answer
    x = 608.72

Related Problems

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Half scale
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Double scale
Find fourth proportional to 607.26, 838.48 and 441.86
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.