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Finding the Fourth Proportional to 568.51, 784.55 and 335.63

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Solution

The fourth proportional to 568.51, 784.55 and 335.63 is: 463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.51 : 784.55 = 335.63 : x
  2. Step 2: Convert to fraction form
    568.51/784.55 = 335.63/x
  3. Step 3: Cross multiply
    568.51x = 784.55 × 335.63
  4. Step 4: Simplify right side
    568.51x = 263,318.52
  5. Step 5: Solve for x
    x = 263,318.52/568.51
  6. Step 6: Final answer
    x = 463.17

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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.