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Finding the Fourth Proportional to 569.43, 858.88 and 501.80

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Solution

The fourth proportional to 569.43, 858.88 and 501.80 is: 756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.43 : 858.88 = 501.80 : x
  2. Step 2: Convert to fraction form
    569.43/858.88 = 501.80/x
  3. Step 3: Cross multiply
    569.43x = 858.88 × 501.80
  4. Step 4: Simplify right side
    569.43x = 430,985.98
  5. Step 5: Solve for x
    x = 430,985.98/569.43
  6. Step 6: Final answer
    x = 756.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.