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Finding the Fourth Proportional to 556.97, 833.42 and 336.81

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Solution

The fourth proportional to 556.97, 833.42 and 336.81 is: 503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.97 : 833.42 = 336.81 : x
  2. Step 2: Convert to fraction form
    556.97/833.42 = 336.81/x
  3. Step 3: Cross multiply
    556.97x = 833.42 × 336.81
  4. Step 4: Simplify right side
    556.97x = 280,702.51
  5. Step 5: Solve for x
    x = 280,702.51/556.97
  6. Step 6: Final answer
    x = 503.98

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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.