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Finding the Fourth Proportional to 366.93, 505.55 and 242.37

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Solution

The fourth proportional to 366.93, 505.55 and 242.37 is: 333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.93 : 505.55 = 242.37 : x
  2. Step 2: Convert to fraction form
    366.93/505.55 = 242.37/x
  3. Step 3: Cross multiply
    366.93x = 505.55 × 242.37
  4. Step 4: Simplify right side
    366.93x = 122,528.94
  5. Step 5: Solve for x
    x = 122,528.94/366.93
  6. Step 6: Final answer
    x = 333.93

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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.