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Finding the Fourth Proportional to 569.55, 852.71 and 395.67

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Solution

The fourth proportional to 569.55, 852.71 and 395.67 is: 592.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.55 : 852.71 = 395.67 : x
  2. Step 2: Convert to fraction form
    569.55/852.71 = 395.67/x
  3. Step 3: Cross multiply
    569.55x = 852.71 × 395.67
  4. Step 4: Simplify right side
    569.55x = 337,389.79
  5. Step 5: Solve for x
    x = 337,389.79/569.55
  6. Step 6: Final answer
    x = 592.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.