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Finding the Fourth Proportional to 332.53, 498.58 and 127.01

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Solution

The fourth proportional to 332.53, 498.58 and 127.01 is: 190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.53 : 498.58 = 127.01 : x
  2. Step 2: Convert to fraction form
    332.53/498.58 = 127.01/x
  3. Step 3: Cross multiply
    332.53x = 498.58 × 127.01
  4. Step 4: Simplify right side
    332.53x = 63,324.65
  5. Step 5: Solve for x
    x = 63,324.65/332.53
  6. Step 6: Final answer
    x = 190.43

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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.