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Finding the Fourth Proportional to 604.68, 834.42 and 342.69

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Solution

The fourth proportional to 604.68, 834.42 and 342.69 is: 472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.68 : 834.42 = 342.69 : x
  2. Step 2: Convert to fraction form
    604.68/834.42 = 342.69/x
  3. Step 3: Cross multiply
    604.68x = 834.42 × 342.69
  4. Step 4: Simplify right side
    604.68x = 285,947.39
  5. Step 5: Solve for x
    x = 285,947.39/604.68
  6. Step 6: Final answer
    x = 472.89

Related Problems

Find fourth proportional to 302.34, 417.21 and 171.35
Half scale
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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.