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Finding the Fourth Proportional to 566.38, 849.93 and 561.75

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Solution

The fourth proportional to 566.38, 849.93 and 561.75 is: 842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    566.38 : 849.93 = 561.75 : x
  2. Step 2: Convert to fraction form
    566.38/849.93 = 561.75/x
  3. Step 3: Cross multiply
    566.38x = 849.93 × 561.75
  4. Step 4: Simplify right side
    566.38x = 477,448.18
  5. Step 5: Solve for x
    x = 477,448.18/566.38
  6. Step 6: Final answer
    x = 842.98

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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.