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Finding the Fourth Proportional to 565.80, 849.60 and 401.88

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Solution

The fourth proportional to 565.80, 849.60 and 401.88 is: 603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.80 : 849.60 = 401.88 : x
  2. Step 2: Convert to fraction form
    565.80/849.60 = 401.88/x
  3. Step 3: Cross multiply
    565.80x = 849.60 × 401.88
  4. Step 4: Simplify right side
    565.80x = 341,437.25
  5. Step 5: Solve for x
    x = 341,437.25/565.80
  6. Step 6: Final answer
    x = 603.46

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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.