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Finding the Fourth Proportional to 505.75, 758.93 and 332.01

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Solution

The fourth proportional to 505.75, 758.93 and 332.01 is: 498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    505.75 : 758.93 = 332.01 : x
  2. Step 2: Convert to fraction form
    505.75/758.93 = 332.01/x
  3. Step 3: Cross multiply
    505.75x = 758.93 × 332.01
  4. Step 4: Simplify right side
    505.75x = 251,972.35
  5. Step 5: Solve for x
    x = 251,972.35/505.75
  6. Step 6: Final answer
    x = 498.22

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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.