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Finding the Fourth Proportional to 377.35, 520.94 and 266.93

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Solution

The fourth proportional to 377.35, 520.94 and 266.93 is: 368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.35 : 520.94 = 266.93 : x
  2. Step 2: Convert to fraction form
    377.35/520.94 = 266.93/x
  3. Step 3: Cross multiply
    377.35x = 520.94 × 266.93
  4. Step 4: Simplify right side
    377.35x = 139,054.51
  5. Step 5: Solve for x
    x = 139,054.51/377.35
  6. Step 6: Final answer
    x = 368.50

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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.