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Finding the Fourth Proportional to 651.33, 896.11 and 568.63

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Solution

The fourth proportional to 651.33, 896.11 and 568.63 is: 782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.33 : 896.11 = 568.63 : x
  2. Step 2: Convert to fraction form
    651.33/896.11 = 568.63/x
  3. Step 3: Cross multiply
    651.33x = 896.11 × 568.63
  4. Step 4: Simplify right side
    651.33x = 509,552.19
  5. Step 5: Solve for x
    x = 509,552.19/651.33
  6. Step 6: Final answer
    x = 782.33

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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.