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Finding the Fourth Proportional to 340.48, 511.20 and 244.24

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Solution

The fourth proportional to 340.48, 511.20 and 244.24 is: 366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.48 : 511.20 = 244.24 : x
  2. Step 2: Convert to fraction form
    340.48/511.20 = 244.24/x
  3. Step 3: Cross multiply
    340.48x = 511.20 × 244.24
  4. Step 4: Simplify right side
    340.48x = 124,855.49
  5. Step 5: Solve for x
    x = 124,855.49/340.48
  6. Step 6: Final answer
    x = 366.70

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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.