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Finding the Fourth Proportional to 569.68, 784.62 and 536.18

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Solution

The fourth proportional to 569.68, 784.62 and 536.18 is: 738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.68 : 784.62 = 536.18 : x
  2. Step 2: Convert to fraction form
    569.68/784.62 = 536.18/x
  3. Step 3: Cross multiply
    569.68x = 784.62 × 536.18
  4. Step 4: Simplify right side
    569.68x = 420,693.63
  5. Step 5: Solve for x
    x = 420,693.63/569.68
  6. Step 6: Final answer
    x = 738.48

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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.