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Finding the Fourth Proportional to 615.58, 923.54 and 268.94

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Solution

The fourth proportional to 615.58, 923.54 and 268.94 is: 403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.58 : 923.54 = 268.94 : x
  2. Step 2: Convert to fraction form
    615.58/923.54 = 268.94/x
  3. Step 3: Cross multiply
    615.58x = 923.54 × 268.94
  4. Step 4: Simplify right side
    615.58x = 248,377.81
  5. Step 5: Solve for x
    x = 248,377.81/615.58
  6. Step 6: Final answer
    x = 403.49

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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.