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Finding the Fourth Proportional to 616.99, 925.44 and 251.68

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Solution

The fourth proportional to 616.99, 925.44 and 251.68 is: 377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    616.99 : 925.44 = 251.68 : x
  2. Step 2: Convert to fraction form
    616.99/925.44 = 251.68/x
  3. Step 3: Cross multiply
    616.99x = 925.44 × 251.68
  4. Step 4: Simplify right side
    616.99x = 232,914.74
  5. Step 5: Solve for x
    x = 232,914.74/616.99
  6. Step 6: Final answer
    x = 377.50

Related Problems

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