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Finding the Fourth Proportional to 568.89, 852.12 and 555.12

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Solution

The fourth proportional to 568.89, 852.12 and 555.12 is: 831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.89 : 852.12 = 555.12 : x
  2. Step 2: Convert to fraction form
    568.89/852.12 = 555.12/x
  3. Step 3: Cross multiply
    568.89x = 852.12 × 555.12
  4. Step 4: Simplify right side
    568.89x = 473,028.85
  5. Step 5: Solve for x
    x = 473,028.85/568.89
  6. Step 6: Final answer
    x = 831.49

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1.5x scale

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.