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Finding the Fourth Proportional to 332.51, 501.39 and 328.86

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Solution

The fourth proportional to 332.51, 501.39 and 328.86 is: 495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.51 : 501.39 = 328.86 : x
  2. Step 2: Convert to fraction form
    332.51/501.39 = 328.86/x
  3. Step 3: Cross multiply
    332.51x = 501.39 × 328.86
  4. Step 4: Simplify right side
    332.51x = 164,887.12
  5. Step 5: Solve for x
    x = 164,887.12/332.51
  6. Step 6: Final answer
    x = 495.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.