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Finding the Fourth Proportional to 472.35, 651.83 and 265.35

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Solution

The fourth proportional to 472.35, 651.83 and 265.35 is: 366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472.35 : 651.83 = 265.35 : x
  2. Step 2: Convert to fraction form
    472.35/651.83 = 265.35/x
  3. Step 3: Cross multiply
    472.35x = 651.83 × 265.35
  4. Step 4: Simplify right side
    472.35x = 172,963.09
  5. Step 5: Solve for x
    x = 172,963.09/472.35
  6. Step 6: Final answer
    x = 366.18

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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.