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Finding the Fourth Proportional to 615.07, 920.59 and 337

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Solution

The fourth proportional to 615.07, 920.59 and 337 is: 504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.07 : 920.59 = 337 : x
  2. Step 2: Convert to fraction form
    615.07/920.59 = 337/x
  3. Step 3: Cross multiply
    615.07x = 920.59 × 337
  4. Step 4: Simplify right side
    615.07x = 310,238.83
  5. Step 5: Solve for x
    x = 310,238.83/615.07
  6. Step 6: Final answer
    x = 504.40

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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.