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Finding the Fourth Proportional to 607.26, 837.90 and 374.25

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Solution

The fourth proportional to 607.26, 837.90 and 374.25 is: 516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.26 : 837.90 = 374.25 : x
  2. Step 2: Convert to fraction form
    607.26/837.90 = 374.25/x
  3. Step 3: Cross multiply
    607.26x = 837.90 × 374.25
  4. Step 4: Simplify right side
    607.26x = 313,584.08
  5. Step 5: Solve for x
    x = 313,584.08/607.26
  6. Step 6: Final answer
    x = 516.39

Related Problems

Find fourth proportional to 303.63, 418.95 and 187.13
Half scale
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Double scale
Find fourth proportional to 608.26, 839.28 and 375.25
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.