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Finding the Fourth Proportional to 341.52, 511.56 and 283.61

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Solution

The fourth proportional to 341.52, 511.56 and 283.61 is: 424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.52 : 511.56 = 283.61 : x
  2. Step 2: Convert to fraction form
    341.52/511.56 = 283.61/x
  3. Step 3: Cross multiply
    341.52x = 511.56 × 283.61
  4. Step 4: Simplify right side
    341.52x = 145,080.97
  5. Step 5: Solve for x
    x = 145,080.97/341.52
  6. Step 6: Final answer
    x = 424.81

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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.