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Finding the Fourth Proportional to 615.46, 923.19 and 250.15

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Solution

The fourth proportional to 615.46, 923.19 and 250.15 is: 375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.46 : 923.19 = 250.15 : x
  2. Step 2: Convert to fraction form
    615.46/923.19 = 250.15/x
  3. Step 3: Cross multiply
    615.46x = 923.19 × 250.15
  4. Step 4: Simplify right side
    615.46x = 230,935.98
  5. Step 5: Solve for x
    x = 230,935.98/615.46
  6. Step 6: Final answer
    x = 375.23

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.