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Finding the Fourth Proportional to 370.88, 511.88 and 260.52

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Solution

The fourth proportional to 370.88, 511.88 and 260.52 is: 359.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.88 : 511.88 = 260.52 : x
  2. Step 2: Convert to fraction form
    370.88/511.88 = 260.52/x
  3. Step 3: Cross multiply
    370.88x = 511.88 × 260.52
  4. Step 4: Simplify right side
    370.88x = 133,354.98
  5. Step 5: Solve for x
    x = 133,354.98/370.88
  6. Step 6: Final answer
    x = 359.56

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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.