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Finding the Fourth Proportional to 370.63, 511.53 and 260.27

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Solution

The fourth proportional to 370.63, 511.53 and 260.27 is: 359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.63 : 511.53 = 260.27 : x
  2. Step 2: Convert to fraction form
    370.63/511.53 = 260.27/x
  3. Step 3: Cross multiply
    370.63x = 511.53 × 260.27
  4. Step 4: Simplify right side
    370.63x = 133,135.91
  5. Step 5: Solve for x
    x = 133,135.91/370.63
  6. Step 6: Final answer
    x = 359.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.