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Finding the Fourth Proportional to 607.44, 838.26 and 331.44

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Solution

The fourth proportional to 607.44, 838.26 and 331.44 is: 457.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.44 : 838.26 = 331.44 : x
  2. Step 2: Convert to fraction form
    607.44/838.26 = 331.44/x
  3. Step 3: Cross multiply
    607.44x = 838.26 × 331.44
  4. Step 4: Simplify right side
    607.44x = 277,832.89
  5. Step 5: Solve for x
    x = 277,832.89/607.44
  6. Step 6: Final answer
    x = 457.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 608.44, 839.64 and 332.44
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.