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Finding the Fourth Proportional to 340.33, 510.58 and 186.22

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Solution

The fourth proportional to 340.33, 510.58 and 186.22 is: 279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.33 : 510.58 = 186.22 : x
  2. Step 2: Convert to fraction form
    340.33/510.58 = 186.22/x
  3. Step 3: Cross multiply
    340.33x = 510.58 × 186.22
  4. Step 4: Simplify right side
    340.33x = 95,080.21
  5. Step 5: Solve for x
    x = 95,080.21/340.33
  6. Step 6: Final answer
    x = 279.38

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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.