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Finding the Fourth Proportional to 608.75, 837.42 and 533.73

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Solution

The fourth proportional to 608.75, 837.42 and 533.73 is: 734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.75 : 837.42 = 533.73 : x
  2. Step 2: Convert to fraction form
    608.75/837.42 = 533.73/x
  3. Step 3: Cross multiply
    608.75x = 837.42 × 533.73
  4. Step 4: Simplify right side
    608.75x = 446,951.99
  5. Step 5: Solve for x
    x = 446,951.99/608.75
  6. Step 6: Final answer
    x = 734.21

Related Problems

Find fourth proportional to 304.38, 418.71 and 266.86
Half scale
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Double scale
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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.