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Finding the Fourth Proportional to 472.94, 652.65 and 263.11

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Solution

The fourth proportional to 472.94, 652.65 and 263.11 is: 363.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.94 : 652.65 = 263.11 : x
  2. Step 2: Convert to fraction form
    472.94/652.65 = 263.11/x
  3. Step 3: Cross multiply
    472.94x = 652.65 × 263.11
  4. Step 4: Simplify right side
    472.94x = 171,718.74
  5. Step 5: Solve for x
    x = 171,718.74/472.94
  6. Step 6: Final answer
    x = 363.09

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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.