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Finding the Fourth Proportional to 624.92, 937.55 and 259.61

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Solution

The fourth proportional to 624.92, 937.55 and 259.61 is: 389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.92 : 937.55 = 259.61 : x
  2. Step 2: Convert to fraction form
    624.92/937.55 = 259.61/x
  3. Step 3: Cross multiply
    624.92x = 937.55 × 259.61
  4. Step 4: Simplify right side
    624.92x = 243,391.37
  5. Step 5: Solve for x
    x = 243,391.37/624.92
  6. Step 6: Final answer
    x = 389.48

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.