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Finding the Fourth Proportional to 395.02, 590.84 and 375.58

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Solution

The fourth proportional to 395.02, 590.84 and 375.58 is: 561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.02 : 590.84 = 375.58 : x
  2. Step 2: Convert to fraction form
    395.02/590.84 = 375.58/x
  3. Step 3: Cross multiply
    395.02x = 590.84 × 375.58
  4. Step 4: Simplify right side
    395.02x = 221,902.86
  5. Step 5: Solve for x
    x = 221,902.86/395.02
  6. Step 6: Final answer
    x = 561.76

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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.