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Finding the Fourth Proportional to 568, 846.90 and 560.72

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Solution

The fourth proportional to 568, 846.90 and 560.72 is: 836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    568 : 846.90 = 560.72 : x
  2. Step 2: Convert to fraction form
    568/846.90 = 560.72/x
  3. Step 3: Cross multiply
    568x = 846.90 × 560.72
  4. Step 4: Simplify right side
    568x = 474,873.77
  5. Step 5: Solve for x
    x = 474,873.77/568
  6. Step 6: Final answer
    x = 836.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.