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Finding the Fourth Proportional to 340.51, 511.02 and 124.11

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Solution

The fourth proportional to 340.51, 511.02 and 124.11 is: 186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.51 : 511.02 = 124.11 : x
  2. Step 2: Convert to fraction form
    340.51/511.02 = 124.11/x
  3. Step 3: Cross multiply
    340.51x = 511.02 × 124.11
  4. Step 4: Simplify right side
    340.51x = 63,422.69
  5. Step 5: Solve for x
    x = 63,422.69/340.51
  6. Step 6: Final answer
    x = 186.26

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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.