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Finding the Fourth Proportional to 615.06, 848.58 and 366.42

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Solution

The fourth proportional to 615.06, 848.58 and 366.42 is: 505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.06 : 848.58 = 366.42 : x
  2. Step 2: Convert to fraction form
    615.06/848.58 = 366.42/x
  3. Step 3: Cross multiply
    615.06x = 848.58 × 366.42
  4. Step 4: Simplify right side
    615.06x = 310,938.49
  5. Step 5: Solve for x
    x = 310,938.49/615.06
  6. Step 6: Final answer
    x = 505.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.