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Finding the Fourth Proportional to 332.47, 497.79 and 251.07

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Solution

The fourth proportional to 332.47, 497.79 and 251.07 is: 375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.47 : 497.79 = 251.07 : x
  2. Step 2: Convert to fraction form
    332.47/497.79 = 251.07/x
  3. Step 3: Cross multiply
    332.47x = 497.79 × 251.07
  4. Step 4: Simplify right side
    332.47x = 124,980.14
  5. Step 5: Solve for x
    x = 124,980.14/332.47
  6. Step 6: Final answer
    x = 375.91

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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.