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Finding the Fourth Proportional to 568.68, 784.66 and 347.68

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Solution

The fourth proportional to 568.68, 784.66 and 347.68 is: 479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.68 : 784.66 = 347.68 : x
  2. Step 2: Convert to fraction form
    568.68/784.66 = 347.68/x
  3. Step 3: Cross multiply
    568.68x = 784.66 × 347.68
  4. Step 4: Simplify right side
    568.68x = 272,810.59
  5. Step 5: Solve for x
    x = 272,810.59/568.68
  6. Step 6: Final answer
    x = 479.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.