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Finding the Fourth Proportional to 655.11, 904.03 and 375.32

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Solution

The fourth proportional to 655.11, 904.03 and 375.32 is: 517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    655.11 : 904.03 = 375.32 : x
  2. Step 2: Convert to fraction form
    655.11/904.03 = 375.32/x
  3. Step 3: Cross multiply
    655.11x = 904.03 × 375.32
  4. Step 4: Simplify right side
    655.11x = 339,298.66
  5. Step 5: Solve for x
    x = 339,298.66/655.11
  6. Step 6: Final answer
    x = 517.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.