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Finding the Fourth Proportional to 615.49, 923.44 and 204.93

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Solution

The fourth proportional to 615.49, 923.44 and 204.93 is: 307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.49 : 923.44 = 204.93 : x
  2. Step 2: Convert to fraction form
    615.49/923.44 = 204.93/x
  3. Step 3: Cross multiply
    615.49x = 923.44 × 204.93
  4. Step 4: Simplify right side
    615.49x = 189,240.56
  5. Step 5: Solve for x
    x = 189,240.56/615.49
  6. Step 6: Final answer
    x = 307.46

Related Problems

Find fourth proportional to 307.75, 461.72 and 102.47
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.