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Finding the Fourth Proportional to 505.05, 756.12 and 366.35

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Solution

The fourth proportional to 505.05, 756.12 and 366.35 is: 548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    505.05 : 756.12 = 366.35 : x
  2. Step 2: Convert to fraction form
    505.05/756.12 = 366.35/x
  3. Step 3: Cross multiply
    505.05x = 756.12 × 366.35
  4. Step 4: Simplify right side
    505.05x = 277,002.16
  5. Step 5: Solve for x
    x = 277,002.16/505.05
  6. Step 6: Final answer
    x = 548.47

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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.