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Finding the Fourth Proportional to 615.42, 848.93 and 366.83

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Solution

The fourth proportional to 615.42, 848.93 and 366.83 is: 506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.42 : 848.93 = 366.83 : x
  2. Step 2: Convert to fraction form
    615.42/848.93 = 366.83/x
  3. Step 3: Cross multiply
    615.42x = 848.93 × 366.83
  4. Step 4: Simplify right side
    615.42x = 311,412.99
  5. Step 5: Solve for x
    x = 311,412.99/615.42
  6. Step 6: Final answer
    x = 506.02

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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.